131641253939 has 6 divisors (see below), whose sum is σ = 142546446756. Its totient is φ = 121515003480.

The previous prime is 131641253927. The next prime is 131641253987. The reversal of 131641253939 is 939352146131.

It is a de Polignac number, because none of the positive numbers 2^k-131641253939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131641253893 and 131641253902.

It is not an unprimeable number, because it can be changed into a prime (131641253239) 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, 389470997 + ... + 389471334.

It is an arithmetic number, because the mean of its divisors is an integer number (23757741126).

Almost surely, 2^131641253939 is an apocalyptic number.

131641253939 is a deficient number, since it is larger than the sum of its proper divisors (10905192817).

131641253939 is an equidigital number, since it uses as much as digits as its factorization.

131641253939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778942357 (or 778942344 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The spelling of 131641253939 in words is "one hundred thirty-one billion, six hundred forty-one million, two hundred fifty-three thousand, nine hundred thirty-nine".