157138086 has 16 divisors (see below), whose sum is σ = 359172864. Its totient is φ = 44896584.

The previous prime is 157138081. The next prime is 157138087. The reversal of 157138086 is 680831751.

157138086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157138081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870650 + ... + 1870733.

It is an arithmetic number, because the mean of its divisors is an integer number (22448304).

Almost surely, 2^157138086 is an apocalyptic number.

157138086 is an abundant number, since it is smaller than the sum of its proper divisors (202034778).

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

157138086 is a wasteful number, since it uses less digits than its factorization.

157138086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741395.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 157138086 is about 12535.4731063490. The cubic root of 157138086 is about 539.6271843685.

The spelling of 157138086 in words is "one hundred fifty-seven million, one hundred thirty-eight thousand, eighty-six".