128116996234 has 8 divisors (see below), whose sum is σ = 192189756420. Its totient is φ = 64053744096.

The previous prime is 128116996223. The next prime is 128116996313. The reversal of 128116996234 is 432699611821.

It can be written as a sum of positive squares in 2 ways, for example, as 117631850625 + 10485145609 = 342975^2 + 102397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343229 + ... + 2397280.

Almost surely, 2^128116996234 is an apocalyptic number.

128116996234 is a deficient number, since it is larger than the sum of its proper divisors (64072760186).

128116996234 is a wasteful number, since it uses less digits than its factorization.

128116996234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754024.

The product of its digits is 1119744, while the sum is 52.

The spelling of 128116996234 in words is "one hundred twenty-eight billion, one hundred sixteen million, nine hundred ninety-six thousand, two hundred thirty-four".