131951387575 has 12 divisors (see below), whose sum is σ = 186993966640. Its totient is φ = 90480951360.

The previous prime is 131951387567. The next prime is 131951387609. The reversal of 131951387575 is 575783159131.

It is not a de Polignac number, because 131951387575 - 2³ = 131951387567 is a prime.

It is a super-2 number, since 2×131951387575² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377003790 + ... + 377004139.

Almost surely, 2^131951387575 is an apocalyptic number.

131951387575 is a deficient number, since it is larger than the sum of its proper divisors (55042579065).

131951387575 is an equidigital number, since it uses as much as digits as its factorization.

131951387575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754007946 (or 754007941 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 55.

The spelling of 131951387575 in words is "one hundred thirty-one billion, nine hundred fifty-one million, three hundred eighty-seven thousand, five hundred seventy-five".