129189330384 has 80 divisors (see below), whose sum is σ = 360258192000. Its totient is φ = 39770418688.

The previous prime is 129189330383. The next prime is 129189330397. The reversal of 129189330384 is 483033981921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129189330383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1985559 + ... + 2049590.

It is an arithmetic number, because the mean of its divisors is an integer number (4503227400).

Almost surely, 2^129189330384 is an apocalyptic number.

It is an amenable number.

129189330384 is an abundant number, since it is smaller than the sum of its proper divisors (231068861616).

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

129189330384 is a wasteful number, since it uses less digits than its factorization.

129189330384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035212 (or 4035206 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 129189330384 in words is "one hundred twenty-nine billion, one hundred eighty-nine million, three hundred thirty thousand, three hundred eighty-four".