159136902196 has 6 divisors (see below), whose sum is σ = 278489578850. Its totient is φ = 79568451096.

The previous prime is 159136902179. The next prime is 159136902247. The reversal of 159136902196 is 691209631951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143118456100 + 16018446096 = 378310^2 + 126564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19892112771 + ... + 19892112778.

Almost surely, 2^159136902196 is an apocalyptic number.

It is an amenable number.

159136902196 is a deficient number, since it is larger than the sum of its proper divisors (119352676654).

159136902196 is a wasteful number, since it uses less digits than its factorization.

159136902196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39784225553 (or 39784225551 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 52.

The spelling of 159136902196 in words is "one hundred fifty-nine billion, one hundred thirty-six million, nine hundred two thousand, one hundred ninety-six".