136924791068 has 72 divisors (see below), whose sum is σ = 261379698048. Its totient is φ = 62389260288.

The previous prime is 136924791067. The next prime is 136924791071. The reversal of 136924791068 is 860197429631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136924791067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431939246 + ... + 431939562.

It is an arithmetic number, because the mean of its divisors is an integer number (3630273584).

Almost surely, 2^136924791068 is an apocalyptic number.

It is an amenable number.

136924791068 is a deficient number, since it is larger than the sum of its proper divisors (124454906980).

136924791068 is a wasteful number, since it uses less digits than its factorization.

136924791068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 136924791068 in words is "one hundred thirty-six billion, nine hundred twenty-four million, seven hundred ninety-one thousand, sixty-eight".