136556553640056 has 64 divisors (see below), whose sum is σ = 372437471214720. Its totient is φ = 41379606414720.

The previous prime is 136556553640009. The next prime is 136556553640097. The reversal of 136556553640056 is 650046355655631.

It is a congruent number.

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, 2102131 + ... + 16659293.

It is an arithmetic number, because the mean of its divisors is an integer number (5819335487730).

Almost surely, 2^{136556553640056} is an apocalyptic number.

It is an amenable number.

136556553640056 is an abundant number, since it is smaller than the sum of its proper divisors (235880917574664).

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

136556553640056 is a wasteful number, since it uses less digits than its factorization.

136556553640056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14592716 (or 14592712 counting only the distinct ones).

The product of its (nonzero) digits is 145800000, while the sum is 60.

The spelling of 136556553640056 in words is "one hundred thirty-six trillion, five hundred fifty-six billion, five hundred fifty-three million, six hundred forty thousand, fifty-six".