158136928 has 24 divisors (see below), whose sum is σ = 312365592. Its totient is φ = 78806016.

The previous prime is 158136919. The next prime is 158136931. The reversal of 158136928 is 829631851.

158136928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776 + ... + 17872.

It is an arithmetic number, because the mean of its divisors is an integer number (13015233).

Almost surely, 2^158136928 is an apocalyptic number.

It is an amenable number.

158136928 is a deficient number, since it is larger than the sum of its proper divisors (154228664).

158136928 is a wasteful number, since it uses less digits than its factorization.

158136928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414 (or 16406 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 158136928 is about 12575.2506138049. The cubic root of 158136928 is about 540.7681432047.

The spelling of 158136928 in words is "one hundred fifty-eight million, one hundred thirty-six thousand, nine hundred twenty-eight".