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137025 = 3352729
BaseRepresentation
bin100001011101000001
320221222000
4201131001
513341100
62534213
71110330
oct413501
9227860
10137025
1193a49
1267369
134a4a5
1437d17
152a900
hex21741

137025 has 48 divisors (see below), whose sum is σ = 297600. Its totient is φ = 60480.

The previous prime is 136999. The next prime is 137029. The reversal of 137025 is 520731.

It is not a de Polignac number, because 137025 - 25 = 136993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136989 and 137007.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 137025.

It is not an unprimeable number, because it can be changed into a prime (137029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4711 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (6200).

2137025 is an apocalyptic number.

137025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137025 is an abundant number, since it is smaller than the sum of its proper divisors (160575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137025 is a wasteful number, since it uses less digits than its factorization.

137025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 137025 is about 370.1688803776. The cubic root of 137025 is about 51.5545028920.

Adding to 137025 its reverse (520731), we get a palindrome (657756).

The spelling of 137025 in words is "one hundred thirty-seven thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 29 35 45 63 75 87 105 135 145 175 189 203 225 261 315 435 525 609 675 725 783 945 1015 1305 1575 1827 2175 3045 3915 4725 5075 5481 6525 9135 15225 19575 27405 45675 137025