159287239738 has 16 divisors (see below), whose sum is σ = 260658440640. Its totient is φ = 72401459200.

The previous prime is 159287239711. The next prime is 159287239757. The reversal of 159287239738 is 837932782951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 159287239738.

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, 1207098 + ... + 1332538.

It is an arithmetic number, because the mean of its divisors is an integer number (16291152540).

Almost surely, 2^159287239738 is an apocalyptic number.

159287239738 is a deficient number, since it is larger than the sum of its proper divisors (101371200902).

159287239738 is a wasteful number, since it uses less digits than its factorization.

159287239738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183173.

The product of its digits is 45722880, while the sum is 64.

The spelling of 159287239738 in words is "one hundred fifty-nine billion, two hundred eighty-seven million, two hundred thirty-nine thousand, seven hundred thirty-eight".