137369925 has 120 divisors (see below), whose sum is σ = 317604672. Its totient is φ = 57024000.

The previous prime is 137369923. The next prime is 137369929. The reversal of 137369925 is 529963731.

It is not a de Polignac number, because 137369925 - 2¹ = 137369923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137369923) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 155485 + ... + 156365.

Almost surely, 2^137369925 is an apocalyptic number.

137369925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137369925 is an abundant number, since it is smaller than the sum of its proper divisors (180234747).

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

137369925 is a wasteful number, since it uses less digits than its factorization.

137369925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 907 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 137369925 is about 11720.4916705742. The cubic root of 137369925 is about 515.9772502139.

The spelling of 137369925 in words is "one hundred thirty-seven million, three hundred sixty-nine thousand, nine hundred twenty-five".