131295745 has 24 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 89746272.

The previous prime is 131295713. The next prime is 131295751. The reversal of 131295745 is 547592131.

It is not a de Polignac number, because 131295745 - 2⁵ = 131295713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102016 + ... + 103294.

It is an arithmetic number, because the mean of its divisors is an integer number (7660800).

Almost surely, 2^131295745 is an apocalyptic number.

It is an amenable number.

131295745 is a deficient number, since it is larger than the sum of its proper divisors (52563455).

131295745 is a wasteful number, since it uses less digits than its factorization.

131295745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1710 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 131295745 is about 11458.4355389381. The cubic root of 131295745 is about 508.2572128845.

The spelling of 131295745 in words is "one hundred thirty-one million, two hundred ninety-five thousand, seven hundred forty-five".