157139871807 has 16 divisors (see below), whose sum is σ = 225155642112. Its totient is φ = 97125959040.

The previous prime is 157139871799. The next prime is 157139871821. The reversal of 157139871807 is 708178931751.

It is not a de Polignac number, because 157139871807 - 2³ = 157139871799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157139871827) 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, 22990419 + ... + 22997252.

It is an arithmetic number, because the mean of its divisors is an integer number (14072227632).

Almost surely, 2^157139871807 is an apocalyptic number.

157139871807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

157139871807 is a deficient number, since it is larger than the sum of its proper divisors (68015770305).

157139871807 is a wasteful number, since it uses less digits than its factorization.

157139871807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45987758.

The product of its (nonzero) digits is 2963520, while the sum is 57.

The spelling of 157139871807 in words is "one hundred fifty-seven billion, one hundred thirty-nine million, eight hundred seventy-one thousand, eight hundred seven".