128291289304 has 16 divisors (see below), whose sum is σ = 240550931520. Its totient is φ = 64144374240.

The previous prime is 128291289283. The next prime is 128291289331. The reversal of 128291289304 is 403982192821.

It is a happy number.

It is a super-2 number, since 2×128291289304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376537 + ... + 631159.

It is an arithmetic number, because the mean of its divisors is an integer number (15034433220).

Almost surely, 2^128291289304 is an apocalyptic number.

It is an amenable number.

128291289304 is a deficient number, since it is larger than the sum of its proper divisors (112259642216).

128291289304 is a wasteful number, since it uses less digits than its factorization.

128291289304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317610 (or 317606 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 128291289304 in words is "one hundred twenty-eight billion, two hundred ninety-one million, two hundred eighty-nine thousand, three hundred four".