131237494959 has 4 divisors (see below), whose sum is σ = 174983326616. Its totient is φ = 87491663304.

The previous prime is 131237494957. The next prime is 131237494987. The reversal of 131237494959 is 959494732131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131237494959 - 2¹ = 131237494957 is a prime.

It is a super-2 number, since 2×131237494959² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131237494899 and 131237494908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131237494957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21872915824 + ... + 21872915829.

It is an arithmetic number, because the mean of its divisors is an integer number (43745831654).

Almost surely, 2^131237494959 is an apocalyptic number.

131237494959 is a deficient number, since it is larger than the sum of its proper divisors (43745831657).

131237494959 is an equidigital number, since it uses as much as digits as its factorization.

131237494959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43745831656.

The product of its digits is 7348320, while the sum is 57.

The spelling of 131237494959 in words is "one hundred thirty-one billion, two hundred thirty-seven million, four hundred ninety-four thousand, nine hundred fifty-nine".