128193300939 has 8 divisors (see below), whose sum is σ = 186462983232. Its totient is φ = 77692909640.

The previous prime is 128193300929. The next prime is 128193300973. The reversal of 128193300939 is 939003391821.

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 128193300939 - 2⁴ = 128193300923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128193300929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942322709 + ... + 1942322774.

It is an arithmetic number, because the mean of its divisors is an integer number (23307872904).

Almost surely, 2^128193300939 is an apocalyptic number.

128193300939 is a deficient number, since it is larger than the sum of its proper divisors (58269682293).

128193300939 is a wasteful number, since it uses less digits than its factorization.

128193300939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884645497.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 128193300939 in words is "one hundred twenty-eight billion, one hundred ninety-three million, three hundred thousand, nine hundred thirty-nine".