159159639 has 16 divisors (see below), whose sum is σ = 219047040. Its totient is φ = 102743520.

The previous prime is 159159631. The next prime is 159159643. The reversal of 159159639 is 936951951.

It is not a de Polignac number, because 159159639 - 2³ = 159159631 is a prime.

It is a super-2 number, since 2×159159639² = 50663581373220642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159159631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5149 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (13690440).

Almost surely, 2^159159639 is an apocalyptic number.

159159639 is a deficient number, since it is larger than the sum of its proper divisors (59887401).

159159639 is a wasteful number, since it uses less digits than its factorization.

159159639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13550.

The product of its digits is 328050, while the sum is 48.

The square root of 159159639 is about 12615.8487229358. The cubic root of 159159639 is about 541.9313999769.

The spelling of 159159639 in words is "one hundred fifty-nine million, one hundred fifty-nine thousand, six hundred thirty-nine".