131299975 has 24 divisors (see below), whose sum is σ = 173600000. Its totient is φ = 98223840.

The previous prime is 131299969. The next prime is 131299979. The reversal of 131299975 is 579992131.

It is not a de Polignac number, because 131299975 - 2¹⁷ = 131168903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131299979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35776 + ... + 39274.

Almost surely, 2^131299975 is an apocalyptic number.

131299975 is a deficient number, since it is larger than the sum of its proper divisors (42300025).

131299975 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (131299974) it forms an eRAP, since the sums of their prime factors are consecutive (3606 and 3607).

131299975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3602 counting only the distinct ones).

The product of its digits is 153090, while the sum is 46.

The square root of 131299975 is about 11458.6201176232. The cubic root of 131299975 is about 508.2626710581.

It can be divided in two parts, 13129 and 9975, that added together give a square (23104 = 152²).

The spelling of 131299975 in words is "one hundred thirty-one million, two hundred ninety-nine thousand, nine hundred seventy-five".