127136664744 has 32 divisors (see below), whose sum is σ = 317949109920. Its totient is φ = 42364561856.

The previous prime is 127136664727. The next prime is 127136664773. The reversal of 127136664744 is 447466631721.

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, 822807 + ... + 965030.

It is an arithmetic number, because the mean of its divisors is an integer number (9935909685).

Almost surely, 2^127136664744 is an apocalyptic number.

It is an amenable number.

127136664744 is an abundant number, since it is smaller than the sum of its proper divisors (190812445176).

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

127136664744 is a wasteful number, since it uses less digits than its factorization.

127136664744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790809 (or 1790805 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 127136664744 in words is "one hundred twenty-seven billion, one hundred thirty-six million, six hundred sixty-four thousand, seven hundred forty-four".