136968128016 has 20 divisors (see below), whose sum is σ = 353834330832. Its totient is φ = 45656042656.

The previous prime is 136968127991. The next prime is 136968128083. The reversal of 136968128016 is 610821869631.

It is a self number, because there is not a number n which added to its sum of digits gives 136968128016.

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, 1426751286 + ... + 1426751381.

Almost surely, 2^136968128016 is an apocalyptic number.

136968128016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136968128016 is an abundant number, since it is smaller than the sum of its proper divisors (216866202816).

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

136968128016 is a wasteful number, since it uses less digits than its factorization.

136968128016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853502678 (or 2853502672 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 136968128016 in words is "one hundred thirty-six billion, nine hundred sixty-eight million, one hundred twenty-eight thousand, sixteen".