129370879344 has 80 divisors (see below), whose sum is σ = 382191395328. Its totient is φ = 36939952896.

The previous prime is 129370879327. The next prime is 129370879381. The reversal of 129370879344 is 443978073921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420154 + ... + 659750.

Almost surely, 2^129370879344 is an apocalyptic number.

129370879344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129370879344 is an abundant number, since it is smaller than the sum of its proper divisors (252820515984).

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

129370879344 is a wasteful number, since it uses less digits than its factorization.

129370879344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241222 (or 241216 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 129370879344 in words is "one hundred twenty-nine billion, three hundred seventy million, eight hundred seventy-nine thousand, three hundred forty-four".