128996607714 has 128 divisors (see below), whose sum is σ = 291418810368. Its totient is φ = 37795092480.

The previous prime is 128996607697. The next prime is 128996607721. The reversal of 128996607714 is 417706699821.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129384264 + ... + 129385260.

It is an arithmetic number, because the mean of its divisors is an integer number (2276709456).

Almost surely, 2^128996607714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128996607714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145709405184).

128996607714 is an abundant number, since it is smaller than the sum of its proper divisors (162422202654).

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

128996607714 is a wasteful number, since it uses less digits than its factorization.

128996607714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 128996607714 in words is "one hundred twenty-eight billion, nine hundred ninety-six million, six hundred seven thousand, seven hundred fourteen".