131514791 has 6 divisors (see below), whose sum is σ = 133465176. Its totient is φ = 129567200.

The previous prime is 131514787. The next prime is 131514793. The reversal of 131514791 is 197415131.

It is not a de Polignac number, because 131514791 - 2² = 131514787 is a prime.

It is a super-2 number, since 2×131514791² = 34592280503547362, 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 (131514793) 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, 95951 + ... + 97311.

It is an arithmetic number, because the mean of its divisors is an integer number (22244196).

Almost surely, 2^131514791 is an apocalyptic number.

131514791 is a deficient number, since it is larger than the sum of its proper divisors (1950385).

131514791 is an frugal number, since it uses more digits than its factorization.

131514791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 1432 counting only the distinct ones).

The product of its digits is 3780, while the sum is 32.

The square root of 131514791 is about 11467.9898412930. The cubic root of 131514791 is about 508.5397045314.

The spelling of 131514791 in words is "one hundred thirty-one million, five hundred fourteen thousand, seven hundred ninety-one".