159230138965 has 16 divisors (see below), whose sum is σ = 193637096640. Its totient is φ = 125682958720.

The previous prime is 159230138957. The next prime is 159230138981. The reversal of 159230138965 is 569831032951.

It is not a de Polignac number, because 159230138965 - 2³ = 159230138957 is a prime.

It is a super-2 number, since 2×159230138965² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175291 + ... + 590920.

It is an arithmetic number, because the mean of its divisors is an integer number (12102318540).

Almost surely, 2^159230138965 is an apocalyptic number.

It is an amenable number.

159230138965 is a deficient number, since it is larger than the sum of its proper divisors (34406957675).

159230138965 is an equidigital number, since it uses as much as digits as its factorization.

159230138965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766772.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 159230138965 in words is "one hundred fifty-nine billion, two hundred thirty million, one hundred thirty-eight thousand, nine hundred sixty-five".