127640103568 has 20 divisors (see below), whose sum is σ = 247759838908. Its totient is φ = 63702080640.

The previous prime is 127640103529. The next prime is 127640103571. The reversal of 127640103568 is 865301046721.

It can be written as a sum of positive squares in 2 ways, for example, as 73608030864 + 54032072704 = 271308^2 + 232448^2 .

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, 7364271 + ... + 7381582.

Almost surely, 2^127640103568 is an apocalyptic number.

It is an amenable number.

127640103568 is a deficient number, since it is larger than the sum of its proper divisors (120119735340).

127640103568 is a wasteful number, since it uses less digits than its factorization.

127640103568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746402 (or 14746396 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 127640103568 in words is "one hundred twenty-seven billion, six hundred forty million, one hundred three thousand, five hundred sixty-eight".