131504575 has 6 divisors (see below), whose sum is σ = 163065704. Its totient is φ = 105203640.

The previous prime is 131504561. The next prime is 131504579. The reversal of 131504575 is 575405131.

It is not a de Polignac number, because 131504575 - 2⁹ = 131504063 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 (131504579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630067 + ... + 2630116.

Almost surely, 2^131504575 is an apocalyptic number.

131504575 is a deficient number, since it is larger than the sum of its proper divisors (31561129).

131504575 is an equidigital number, since it uses as much as digits as its factorization.

131504575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260193 (or 5260188 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 131504575 is about 11467.5444189242. The cubic root of 131504575 is about 508.5265364912.

The spelling of 131504575 in words is "one hundred thirty-one million, five hundred four thousand, five hundred seventy-five".