136192661994 has 16 divisors (see below), whose sum is σ = 272534109120. Its totient is φ = 45372756480.

The previous prime is 136192661989. The next prime is 136192662041. The reversal of 136192661994 is 499166291631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6187479 + ... + 6209450.

It is an arithmetic number, because the mean of its divisors is an integer number (17033381820).

Almost surely, 2^136192661994 is an apocalyptic number.

136192661994 is an abundant number, since it is smaller than the sum of its proper divisors (136341447126).

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

136192661994 is a wasteful number, since it uses less digits than its factorization.

136192661994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398765.

The product of its digits is 3779136, while the sum is 57.

The spelling of 136192661994 in words is "one hundred thirty-six billion, one hundred ninety-two million, six hundred sixty-one thousand, nine hundred ninety-four".