137632864 has 24 divisors (see below), whose sum is σ = 271426680. Its totient is φ = 68699136.

The previous prime is 137632853. The next prime is 137632871. The reversal of 137632864 is 468236731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17232 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (11309445).

Almost surely, 2^137632864 is an apocalyptic number.

It is an amenable number.

137632864 is a deficient number, since it is larger than the sum of its proper divisors (133793816).

137632864 is an equidigital number, since it uses as much as digits as its factorization.

137632864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7342 (or 7334 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 137632864 is about 11731.7033716336. The cubic root of 137632864 is about 516.3062501073.

The spelling of 137632864 in words is "one hundred thirty-seven million, six hundred thirty-two thousand, eight hundred sixty-four".