128764029000 has 64 divisors (see below), whose sum is σ = 401743779840. Its totient is φ = 34337073600.

The previous prime is 128764028959. The next prime is 128764029011. The reversal of 128764029000 is 920467821.

It is a self number, because there is not a number n which added to its sum of digits gives 128764029000.

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, 21457672 + ... + 21463671.

It is an arithmetic number, because the mean of its divisors is an integer number (6277246560).

Almost surely, 2^128764029000 is an apocalyptic number.

128764029000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128764029000 is an abundant number, since it is smaller than the sum of its proper divisors (272979750840).

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

128764029000 is a wasteful number, since it uses less digits than its factorization.

128764029000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42921367 (or 42921353 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 128764029000 in words is "one hundred twenty-eight billion, seven hundred sixty-four million, twenty-nine thousand".