159142657636 has 6 divisors (see below), whose sum is σ = 278499650870. Its totient is φ = 79571328816.

The previous prime is 159142657607. The next prime is 159142657637. The reversal of 159142657636 is 636756241951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90755177536 + 68387480100 = 301256^2 + 261510^2 .

It is not an unprimeable number, because it can be changed into a prime (159142657637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19892832201 + ... + 19892832208.

Almost surely, 2^159142657636 is an apocalyptic number.

It is an amenable number.

159142657636 is a deficient number, since it is larger than the sum of its proper divisors (119356993234).

159142657636 is a wasteful number, since it uses less digits than its factorization.

159142657636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785664413 (or 39785664411 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 159142657636 in words is "one hundred fifty-nine billion, one hundred forty-two million, six hundred fifty-seven thousand, six hundred thirty-six".