137652505 has 8 divisors (see below), whose sum is σ = 167648832. Its totient is φ = 108478128.

The previous prime is 137652499. The next prime is 137652509. The reversal of 137652505 is 505256731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137652505 - 2⁹ = 137651993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137652509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205117 + ... + 205786.

It is an arithmetic number, because the mean of its divisors is an integer number (20956104).

Almost surely, 2^137652505 is an apocalyptic number.

It is an amenable number.

137652505 is a deficient number, since it is larger than the sum of its proper divisors (29996327).

137652505 is an equidigital number, since it uses as much as digits as its factorization.

137652505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410975.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 137652505 is about 11732.5404324895. The cubic root of 137652505 is about 516.3308088946.

It can be divided in two parts, 13 and 7652505, that multiplied together give a triangular number (99482565 = T₁₄₁₀₅).

The spelling of 137652505 in words is "one hundred thirty-seven million, six hundred fifty-two thousand, five hundred five".