128469342756 has 24 divisors (see below), whose sum is σ = 302122132480. Its totient is φ = 42485923872.

The previous prime is 128469342721. The next prime is 128469342767. The reversal of 128469342756 is 657243964821.

It is a junction number, because it is equal to n+sod(n) for n = 128469342696 and 128469342705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42147211 + ... + 42150258.

Almost surely, 2^128469342756 is an apocalyptic number.

It is an amenable number.

128469342756 is an abundant number, since it is smaller than the sum of its proper divisors (173652789724).

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

128469342756 is a wasteful number, since it uses less digits than its factorization.

128469342756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84297603 (or 84297601 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 128469342756 in words is "one hundred twenty-eight billion, four hundred sixty-nine million, three hundred forty-two thousand, seven hundred fifty-six".