129989760384 has 128 divisors (see below), whose sum is σ = 396500112000. Its totient is φ = 37317611520.

The previous prime is 129989760367. The next prime is 129989760463. The reversal of 129989760384 is 483067989921.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729589 + ... + 890100.

It is an arithmetic number, because the mean of its divisors is an integer number (3097657125).

Almost surely, 2^129989760384 is an apocalyptic number.

It is an amenable number.

129989760384 is an abundant number, since it is smaller than the sum of its proper divisors (266510351616).

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

129989760384 is a wasteful number, since it uses less digits than its factorization.

129989760384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619736 (or 1619724 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 129989760384 in words is "one hundred twenty-nine billion, nine hundred eighty-nine million, seven hundred sixty thousand, three hundred eighty-four".