137656375 has 16 divisors (see below), whose sum is σ = 172396224. Its totient is φ = 109740000.

The previous prime is 137656333. The next prime is 137656397. The reversal of 137656375 is 573656731.

It is a happy number.

It is not a de Polignac number, because 137656375 - 2⁹ = 137655863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37105 + ... + 40645.

It is an arithmetic number, because the mean of its divisors is an integer number (10774764).

Almost surely, 2^137656375 is an apocalyptic number.

137656375 is a deficient number, since it is larger than the sum of its proper divisors (34739849).

137656375 is an equidigital number, since it uses as much as digits as its factorization.

137656375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3857 counting only the distinct ones).

The product of its digits is 396900, while the sum is 43.

The square root of 137656375 is about 11732.7053572482. The cubic root of 137656375 is about 516.3356476043.

The spelling of 137656375 in words is "one hundred thirty-seven million, six hundred fifty-six thousand, three hundred seventy-five".