131338719 has 32 divisors (see below), whose sum is σ = 206965440. Its totient is φ = 82031616.

The previous prime is 131338687. The next prime is 131338759. The reversal of 131338719 is 917833131.

It is not a de Polignac number, because 131338719 - 2⁵ = 131338687 is a prime.

It is a super-2 number, since 2×131338719² = 34499718217121922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131338759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126627 + ... + 127659.

It is an arithmetic number, because the mean of its divisors is an integer number (6467670).

Almost surely, 2^131338719 is an apocalyptic number.

131338719 is a deficient number, since it is larger than the sum of its proper divisors (75626721).

131338719 is a wasteful number, since it uses less digits than its factorization.

131338719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1330 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 131338719 is about 11460.3105978852. The cubic root of 131338719 is about 508.3126588623.

The spelling of 131338719 in words is "one hundred thirty-one million, three hundred thirty-eight thousand, seven hundred nineteen".