128339632904 has 32 divisors (see below), whose sum is σ = 275030676480. Its totient is φ = 54999264384.

The previous prime is 128339632879. The next prime is 128339632931. The reversal of 128339632904 is 409236933821.

It is a super-2 number, since 2×128339632904² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 966164 + ... + 1090940.

It is an arithmetic number, because the mean of its divisors is an integer number (8594708640).

Almost surely, 2^128339632904 is an apocalyptic number.

128339632904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128339632904 is an abundant number, since it is smaller than the sum of its proper divisors (146691043576).

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

128339632904 is a wasteful number, since it uses less digits than its factorization.

128339632904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143157 (or 143153 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 128339632904 in words is "one hundred twenty-eight billion, three hundred thirty-nine million, six hundred thirty-two thousand, nine hundred four".