137600906 has 16 divisors (see below), whose sum is σ = 208216008. Its totient is φ = 68198400.

The previous prime is 137600887. The next prime is 137600917. The reversal of 137600906 is 609006731.

137600906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 112550881 + 25050025 = 10609^2 + 5005^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214346 + ... + 214986.

Almost surely, 2^137600906 is an apocalyptic number.

137600906 is a deficient number, since it is larger than the sum of its proper divisors (70615102).

137600906 is a wasteful number, since it uses less digits than its factorization.

137600906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 137600906 is about 11730.3412567580. The cubic root of 137600906 is about 516.2662853491.

The spelling of 137600906 in words is "one hundred thirty-seven million, six hundred thousand, nine hundred six".