131908008959 has 4 divisors (see below), whose sum is σ = 131917298760. Its totient is φ = 131898719160.

The previous prime is 131908008949. The next prime is 131908008961. The reversal of 131908008959 is 959800809131.

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

It is a cyclic number.

It is not a de Polignac number, because 131908008959 - 2¹² = 131908004863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131908008959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131908008949) 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, 4623569 + ... + 4652010.

It is an arithmetic number, because the mean of its divisors is an integer number (32979324690).

Almost surely, 2^131908008959 is an apocalyptic number.

131908008959 is a deficient number, since it is larger than the sum of its proper divisors (9289801).

131908008959 is an equidigital number, since it uses as much as digits as its factorization.

131908008959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289800.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 131908008959 in words is "one hundred thirty-one billion, nine hundred eight million, eight thousand, nine hundred fifty-nine".