136392613686 has 48 divisors (see below), whose sum is σ = 337825872384. Its totient is φ = 38958728112.

The previous prime is 136392613627. The next prime is 136392613757. The reversal of 136392613686 is 686316293631.

136392613686 is a `hidden beast` number, since 13 + 6 + 3 + 9 + 2 + 613 + 6 + 8 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324381 + ... + 614823.

It is an arithmetic number, because the mean of its divisors is an integer number (7038039008).

Almost surely, 2^136392613686 is an apocalyptic number.

136392613686 is an abundant number, since it is smaller than the sum of its proper divisors (201433258698).

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

136392613686 is a wasteful number, since it uses less digits than its factorization.

136392613686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294185 (or 294182 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 136392613686 in words is "one hundred thirty-six billion, three hundred ninety-two million, six hundred thirteen thousand, six hundred eighty-six".