159013989 has 32 divisors (see below), whose sum is σ = 244857600. Its totient is φ = 101868480.

The previous prime is 159013963. The next prime is 159013997. The reversal of 159013989 is 989310951.

It is not a de Polignac number, because 159013989 - 2⁷ = 159013861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159013919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243187 + ... + 243839.

It is an arithmetic number, because the mean of its divisors is an integer number (7651800).

Almost surely, 2^159013989 is an apocalyptic number.

It is an amenable number.

159013989 is a deficient number, since it is larger than the sum of its proper divisors (85843611).

159013989 is a wasteful number, since it uses less digits than its factorization.

159013989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 159013989 is about 12610.0749006499. The cubic root of 159013989 is about 541.7660389623.

The spelling of 159013989 in words is "one hundred fifty-nine million, thirteen thousand, nine hundred eighty-nine".