131544575 has 6 divisors (see below), whose sum is σ = 163115304. Its totient is φ = 105235640.

The previous prime is 131544557. The next prime is 131544599. The reversal of 131544575 is 575445131.

It is a happy number.

It is not a de Polignac number, because 131544575 - 2²⁶ = 64435711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630867 + ... + 2630916.

It is an arithmetic number, because the mean of its divisors is an integer number (27185884).

Almost surely, 2^131544575 is an apocalyptic number.

131544575 is a deficient number, since it is larger than the sum of its proper divisors (31570729).

131544575 is an equidigital number, since it uses as much as digits as its factorization.

131544575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261793 (or 5261788 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 131544575 is about 11469.2883388639. The cubic root of 131544575 is about 508.5780910966.

The spelling of 131544575 in words is "one hundred thirty-one million, five hundred forty-four thousand, five hundred seventy-five".