128832945329 has 8 divisors (see below), whose sum is σ = 140559751872. Its totient is φ = 117108592240.

The previous prime is 128832945277. The next prime is 128832945347. The reversal of 128832945329 is 923549238821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128832945329 - 2³⁶ = 60113468593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128832941329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502694 + ... + 714399.

It is an arithmetic number, because the mean of its divisors is an integer number (17569968984).

Almost surely, 2^128832945329 is an apocalyptic number.

It is an amenable number.

128832945329 is a deficient number, since it is larger than the sum of its proper divisors (11726806543).

128832945329 is a wasteful number, since it uses less digits than its factorization.

128832945329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226727.

The product of its digits is 7464960, while the sum is 56.

The spelling of 128832945329 in words is "one hundred twenty-eight billion, eight hundred thirty-two million, nine hundred forty-five thousand, three hundred twenty-nine".