134640904 has 16 divisors (see below), whose sum is σ = 252626220. Its totient is φ = 67273920.

The previous prime is 134640871. The next prime is 134640931. The reversal of 134640904 is 409046431.

It can be written as a sum of positive squares in 2 ways, for example, as 109620900 + 25020004 = 10470^2 + 5002^2 .

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, 8574 + ... + 18514.

Almost surely, 2^134640904 is an apocalyptic number.

It is an amenable number.

134640904 is a deficient number, since it is larger than the sum of its proper divisors (117985316).

134640904 is a wasteful number, since it uses less digits than its factorization.

134640904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640 (or 11636 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 134640904 is about 11603.4867173622. The cubic root of 134640904 is about 512.5375315762.

The spelling of 134640904 in words is "one hundred thirty-four million, six hundred forty thousand, nine hundred four".