137660764 has 24 divisors (see below), whose sum is σ = 258679008. Its totient is φ = 63866880.

The previous prime is 137660753. The next prime is 137660779. The reversal of 137660764 is 467066731.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 19084.

It is an arithmetic number, because the mean of its divisors is an integer number (10778292).

Almost surely, 2^137660764 is an apocalyptic number.

It is an amenable number.

137660764 is a deficient number, since it is larger than the sum of its proper divisors (121018244).

137660764 is a wasteful number, since it uses less digits than its factorization.

137660764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28605 (or 28603 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 137660764 is about 11732.8923970179. The cubic root of 137660764 is about 516.3411351164.

The spelling of 137660764 in words is "one hundred thirty-seven million, six hundred sixty thousand, seven hundred sixty-four".