131427369 has 24 divisors (see below), whose sum is σ = 195212160. Its totient is φ = 85164768.

The previous prime is 131427341. The next prime is 131427371. The reversal of 131427369 is 963724131.

It is not a de Polignac number, because 131427369 - 2⁸ = 131427113 is a prime.

It is a super-2 number, since 2×131427369² = 34546306644524322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131427379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65422 + ... + 67400.

It is an arithmetic number, because the mean of its divisors is an integer number (8133840).

Almost surely, 2^131427369 is an apocalyptic number.

It is an amenable number.

131427369 is a deficient number, since it is larger than the sum of its proper divisors (63784791).

131427369 is a wasteful number, since it uses less digits than its factorization.

131427369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2186 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 131427369 is about 11464.1776416802. The cubic root of 131427369 is about 508.4269987992.

The spelling of 131427369 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, three hundred sixty-nine".