137631404 has 12 divisors (see below), whose sum is σ = 241259928. Its totient is φ = 68700000.

The previous prime is 137631397. The next prime is 137631443. The reversal of 137631404 is 404136731.

137631404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137631404² = 37884806734022432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26222 + ... + 31029.

It is an arithmetic number, because the mean of its divisors is an integer number (20104994).

Almost surely, 2^137631404 is an apocalyptic number.

It is an amenable number.

137631404 is a deficient number, since it is larger than the sum of its proper divisors (103628524).

137631404 is a wasteful number, since it uses less digits than its factorization.

137631404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57856 (or 57854 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 137631404 is about 11731.6411469155. The cubic root of 137631404 is about 516.3044244537.

The spelling of 137631404 in words is "one hundred thirty-seven million, six hundred thirty-one thousand, four hundred four".