136556447504 has 20 divisors (see below), whose sum is σ = 276081514176. Its totient is φ = 65309605152.

The previous prime is 136556447497. The next prime is 136556447509. The reversal of 136556447504 is 405744655631.

It is not an unprimeable number, because it can be changed into a prime (136556447509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185538284 + ... + 185539019.

Almost surely, 2^136556447504 is an apocalyptic number.

It is an amenable number.

136556447504 is an abundant number, since it is smaller than the sum of its proper divisors (139525066672).

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

136556447504 is a wasteful number, since it uses less digits than its factorization.

136556447504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371077334 (or 371077328 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 136556447504 in words is "one hundred thirty-six billion, five hundred fifty-six million, four hundred forty-seven thousand, five hundred four".