137613625 has 8 divisors (see below), whose sum is σ = 171741960. Its totient is φ = 110090800.

The previous prime is 137613617. The next prime is 137613643. The reversal of 137613625 is 526316731.

It can be written as a sum of positive squares in 4 ways, for example, as 26543104 + 111070521 = 5152^2 + 10539^2 .

It is not a de Polignac number, because 137613625 - 2³ = 137613617 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 550330 + ... + 550579.

It is an arithmetic number, because the mean of its divisors is an integer number (21467745).

Almost surely, 2^137613625 is an apocalyptic number.

It is an amenable number.

137613625 is a deficient number, since it is larger than the sum of its proper divisors (34128335).

137613625 is an equidigital number, since it uses as much as digits as its factorization.

137613625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100924 (or 1100914 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 137613625 is about 11730.8833853210. The cubic root of 137613625 is about 516.2821917089.

The spelling of 137613625 in words is "one hundred thirty-seven million, six hundred thirteen thousand, six hundred twenty-five".