128706115468474 has 16 divisors (see below), whose sum is σ = 199722683370600. Its totient is φ = 62132027618304.

The previous prime is 128706115468429. The next prime is 128706115468499. The reversal of 128706115468474 is 474864511607821.

It can be written as a sum of positive squares in 4 ways, for example, as 119266996009249 + 9439119459225 = 10920943^2 + 3072315^2 .

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, 33128847 + ... + 36809410.

Almost surely, 2^{128706115468474} is an apocalyptic number.

128706115468474 is a deficient number, since it is larger than the sum of its proper divisors (71016567902126).

128706115468474 is a wasteful number, since it uses less digits than its factorization.

128706115468474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69970017.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 128706115468474 in words is "one hundred twenty-eight trillion, seven hundred six billion, one hundred fifteen million, four hundred sixty-eight thousand, four hundred seventy-four".