157136928 has 192 divisors, whose sum is σ = 472977792. Its totient is φ = 45342720.

The previous prime is 157136879. The next prime is 157136951. The reversal of 157136928 is 829631751.

It is a self number, because there is not a number n which added to its sum of digits gives 157136928.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1893175 + ... + 1893257.

It is an arithmetic number, because the mean of its divisors is an integer number (2463426).

Almost surely, 2^157136928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157136928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236488896).

157136928 is an abundant number, since it is smaller than the sum of its proper divisors (315840864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157136928 is a wasteful number, since it uses less digits than its factorization.

157136928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 179 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 157136928 is about 12535.4269173411. The cubic root of 157136928 is about 539.6258588044.

The spelling of 157136928 in words is "one hundred fifty-seven million, one hundred thirty-six thousand, nine hundred twenty-eight".