137864008 has 16 divisors (see below), whose sum is σ = 259432380. Its totient is φ = 68682048.

The previous prime is 137863997. The next prime is 137864039. The reversal of 137864008 is 800468731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109369764 + 28494244 = 10458^2 + 5338^2 .

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, 28891 + ... + 33322.

Almost surely, 2^137864008 is an apocalyptic number.

It is an amenable number.

137864008 is a deficient number, since it is larger than the sum of its proper divisors (121568372).

137864008 is a wasteful number, since it uses less digits than its factorization.

137864008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62496 (or 62492 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 137864008 is about 11741.5504938658. The cubic root of 137864008 is about 516.5951209059.

The spelling of 137864008 in words is "one hundred thirty-seven million, eight hundred sixty-four thousand, eight".