131444379 has 24 divisors (see below), whose sum is σ = 216133632. Its totient is φ = 76198320.

The previous prime is 131444363. The next prime is 131444381. The reversal of 131444379 is 973444131.

It is not a de Polignac number, because 131444379 - 2⁴ = 131444363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131444179) 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, 26587 + ... + 31140.

It is an arithmetic number, because the mean of its divisors is an integer number (9005568).

Almost surely, 2^131444379 is an apocalyptic number.

131444379 is a deficient number, since it is larger than the sum of its proper divisors (84689253).

131444379 is a wasteful number, since it uses less digits than its factorization.

131444379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57767 (or 57764 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 131444379 is about 11464.9194938299. The cubic root of 131444379 is about 508.4489322575.

The spelling of 131444379 in words is "one hundred thirty-one million, four hundred forty-four thousand, three hundred seventy-nine".