128113939799 has 8 divisors (see below), whose sum is σ = 131244448608. Its totient is φ = 124983706240.

The previous prime is 128113939783. The next prime is 128113939801. The reversal of 128113939799 is 997939311821.

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 128113939799 - 2⁴ = 128113939783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128113939099) 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, 1122134 + ... + 1231020.

It is an arithmetic number, because the mean of its divisors is an integer number (16405556076).

Almost surely, 2^128113939799 is an apocalyptic number.

128113939799 is a deficient number, since it is larger than the sum of its proper divisors (3130508809).

128113939799 is a wasteful number, since it uses less digits than its factorization.

128113939799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137625.

The product of its digits is 6613488, while the sum is 62.

The spelling of 128113939799 in words is "one hundred twenty-eight billion, one hundred thirteen million, nine hundred thirty-nine thousand, seven hundred ninety-nine".