129313112344 has 32 divisors (see below), whose sum is σ = 261148597920. Its totient is φ = 59674841856.

The previous prime is 129313112323. The next prime is 129313112363. The reversal of 129313112344 is 443211313921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718572 + ... + 880324.

It is an arithmetic number, because the mean of its divisors is an integer number (8160893685).

Almost surely, 2^129313112344 is an apocalyptic number.

It is an amenable number.

129313112344 is an abundant number, since it is smaller than the sum of its proper divisors (131835485576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129313112344 is a wasteful number, since it uses less digits than its factorization.

129313112344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169459 (or 169455 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The spelling of 129313112344 in words is "one hundred twenty-nine billion, three hundred thirteen million, one hundred twelve thousand, three hundred forty-four".