136631445516 has 48 divisors (see below), whose sum is σ = 354253631200. Its totient is φ = 45540734976.

The previous prime is 136631445497. The next prime is 136631445523. The reversal of 136631445516 is 615544136631.

136631445516 is a `hidden beast` number, since 1 + 3 + 6 + 631 + 4 + 4 + 5 + 5 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019696 + ... + 2086248.

Almost surely, 2^136631445516 is an apocalyptic number.

It is an amenable number.

136631445516 is an abundant number, since it is smaller than the sum of its proper divisors (217622185684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136631445516 is a wasteful number, since it uses less digits than its factorization.

136631445516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85575 (or 85567 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 136631445516 in words is "one hundred thirty-six billion, six hundred thirty-one million, four hundred forty-five thousand, five hundred sixteen".