131148575 has 6 divisors (see below), whose sum is σ = 162624264. Its totient is φ = 104918840.

The previous prime is 131148571. The next prime is 131148587. The reversal of 131148575 is 575841131.

It is not a de Polignac number, because 131148575 - 2² = 131148571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131148571) 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, 2622947 + ... + 2622996.

It is an arithmetic number, because the mean of its divisors is an integer number (27104044).

Almost surely, 2^131148575 is an apocalyptic number.

131148575 is a deficient number, since it is larger than the sum of its proper divisors (31475689).

131148575 is an equidigital number, since it uses as much as digits as its factorization.

131148575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245953 (or 5245948 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 131148575 is about 11452.0118319883. The cubic root of 131148575 is about 508.0672392759.

The spelling of 131148575 in words is "one hundred thirty-one million, one hundred forty-eight thousand, five hundred seventy-five".