157136492 has 12 divisors (see below), whose sum is σ = 275078160. Its totient is φ = 78542736.

The previous prime is 157136461. The next prime is 157136503. The reversal of 157136492 is 294631751.

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, 17009 + ... + 24567.

It is an arithmetic number, because the mean of its divisors is an integer number (22923180).

Almost surely, 2^157136492 is an apocalyptic number.

It is an amenable number.

157136492 is a deficient number, since it is larger than the sum of its proper divisors (117941668).

157136492 is a wasteful number, since it uses less digits than its factorization.

157136492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12758 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 157136492 is about 12535.4095266170. The cubic root of 157136492 is about 539.6253597130.

The spelling of 157136492 in words is "one hundred fifty-seven million, one hundred thirty-six thousand, four hundred ninety-two".