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135253501 = 235880587
BaseRepresentation
bin10000000111111…
…00110111111101
3100102111120220221
420003330313331
5234111103001
621230541341
73231431035
oct1003746775
9312446827
10135253501
116a38aa59
1239367851
1322037a76
1413d6a8c5
15bd1a1a1
hex80fcdfd

135253501 has 4 divisors (see below), whose sum is σ = 141134112. Its totient is φ = 129372892.

The previous prime is 135253499. The next prime is 135253519. The reversal of 135253501 is 105352531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135253501 - 21 = 135253499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135253541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940271 + ... + 2940316.

It is an arithmetic number, because the mean of its divisors is an integer number (35283528).

Almost surely, 2135253501 is an apocalyptic number.

It is an amenable number.

135253501 is a deficient number, since it is larger than the sum of its proper divisors (5880611).

135253501 is an equidigital number, since it uses as much as digits as its factorization.

135253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880610.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135253501 is about 11629.8538683854. The cubic root of 135253501 is about 513.3136799788.

The spelling of 135253501 in words is "one hundred thirty-five million, two hundred fifty-three thousand, five hundred one".

Divisors: 1 23 5880587 135253501