128746595956 has 12 divisors (see below), whose sum is σ = 245788956000. Its totient is φ = 58521179960.

The previous prime is 128746595947. The next prime is 128746595983. The reversal of 128746595956 is 659595647821.

It is a junction number, because it is equal to n+sod(n) for n = 128746595891 and 128746595900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463029456 + ... + 1463029543.

It is an arithmetic number, because the mean of its divisors is an integer number (20482413000).

Almost surely, 2^128746595956 is an apocalyptic number.

It is an amenable number.

128746595956 is a deficient number, since it is larger than the sum of its proper divisors (117042360044).

128746595956 is a wasteful number, since it uses less digits than its factorization.

128746595956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926059014 (or 2926059012 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 67.

The spelling of 128746595956 in words is "one hundred twenty-eight billion, seven hundred forty-six million, five hundred ninety-five thousand, nine hundred fifty-six".