159964420136 has 8 divisors (see below), whose sum is σ = 299933287770. Its totient is φ = 79982210064.

The previous prime is 159964420129. The next prime is 159964420177. The reversal of 159964420136 is 631024469951.

159964420136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150849899236 + 9114520900 = 388394^2 + 95470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9997776251 + ... + 9997776266.

Almost surely, 2^159964420136 is an apocalyptic number.

It is an amenable number.

159964420136 is a deficient number, since it is larger than the sum of its proper divisors (139968867634).

159964420136 is a wasteful number, since it uses less digits than its factorization.

159964420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19995552523 (or 19995552519 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 159964420136 in words is "one hundred fifty-nine billion, nine hundred sixty-four million, four hundred twenty thousand, one hundred thirty-six".