157119631 has 6 divisors (see below), whose sum is σ = 157684632. Its totient is φ = 156556260.

The previous prime is 157119617. The next prime is 157119643. The reversal of 157119631 is 136911751.

It is not a de Polignac number, because 157119631 - 2¹⁵ = 157086863 is a prime.

It is a super-2 number, since 2×157119631² = 49373156891152322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157119671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248686 + ... + 249316.

It is an arithmetic number, because the mean of its divisors is an integer number (26280772).

Almost surely, 2^157119631 is an apocalyptic number.

157119631 is a deficient number, since it is larger than the sum of its proper divisors (565001).

157119631 is an frugal number, since it uses more digits than its factorization.

157119631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1130 counting only the distinct ones).

The product of its digits is 5670, while the sum is 34.

The square root of 157119631 is about 12534.7369737063. The cubic root of 157119631 is about 539.6060581310.

The spelling of 157119631 in words is "one hundred fifty-seven million, one hundred nineteen thousand, six hundred thirty-one".