136556679456 has 72 divisors (see below), whose sum is σ = 400859956224. Its totient is φ = 44050538880.

The previous prime is 136556679437. The next prime is 136556679461. The reversal of 136556679456 is 654976655631.

136556679456 is a `hidden beast` number, since 1 + 3 + 6 + 55 + 66 + 79 + 456 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 136556679393 and 136556679402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7638736 + ... + 7656591.

It is an arithmetic number, because the mean of its divisors is an integer number (5567499392).

Almost surely, 2^136556679456 is an apocalyptic number.

136556679456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136556679456 is an abundant number, since it is smaller than the sum of its proper divisors (264303276768).

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

136556679456 is a wasteful number, since it uses less digits than its factorization.

136556679456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295374 (or 15295363 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 63.

The spelling of 136556679456 in words is "one hundred thirty-six billion, five hundred fifty-six million, six hundred seventy-nine thousand, four hundred fifty-six".