158982939 has 16 divisors (see below), whose sum is σ = 235763200. Its totient is φ = 105883848.

The previous prime is 158982919. The next prime is 158982983. The reversal of 158982939 is 939289851.

158982939 is a `hidden beast` number, since 1 + 589 + 8 + 29 + 39 = 666.

It is not a de Polignac number, because 158982939 - 2⁵ = 158982907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158982919) 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, 32922 + ... + 37440.

It is an arithmetic number, because the mean of its divisors is an integer number (14735200).

Almost surely, 2^158982939 is an apocalyptic number.

158982939 is a deficient number, since it is larger than the sum of its proper divisors (76780261).

158982939 is a wasteful number, since it uses less digits than its factorization.

158982939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831 (or 5825 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 158982939 is about 12608.8436821145. The cubic root of 158982939 is about 541.7307738668.

The spelling of 158982939 in words is "one hundred fifty-eight million, nine hundred eighty-two thousand, nine hundred thirty-nine".