128934813930732 has 48 divisors (see below), whose sum is σ = 334290008354400. Its totient is φ = 42976398689280.

The previous prime is 128934813930731. The next prime is 128934813930737. The reversal of 128934813930732 is 237039318439821.

128934813930732 is a `hidden beast` number, since 1 + 2 + 8 + 93 + 481 + 3 + 9 + 30 + 7 + 32 = 666.

It is a super-2 number, since 2×128934813930732² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128934813930732.

It is not an unprimeable number, because it can be changed into a prime (128934813930731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23517357 + ... + 28476932.

It is an arithmetic number, because the mean of its divisors is an integer number (6964375174050).

Almost surely, 2^{128934813930732} is an apocalyptic number.

128934813930732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128934813930732 is an abundant number, since it is smaller than the sum of its proper divisors (205355194423668).

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

128934813930732 is a wasteful number, since it uses less digits than its factorization.

128934813930732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52017263 (or 52017255 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 128934813930732 in words is "one hundred twenty-eight trillion, nine hundred thirty-four billion, eight hundred thirteen million, nine hundred thirty thousand, seven hundred thirty-two".