127640103564 has 48 divisors (see below), whose sum is σ = 299155562496. Its totient is φ = 42357168000.

The previous prime is 127640103529. The next prime is 127640103571. The reversal of 127640103564 is 465301046721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3864729 + ... + 3897615.

It is an arithmetic number, because the mean of its divisors is an integer number (6232407552).

Almost surely, 2^127640103564 is an apocalyptic number.

It is an amenable number.

127640103564 is an abundant number, since it is smaller than the sum of its proper divisors (171515458932).

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

127640103564 is a wasteful number, since it uses less digits than its factorization.

127640103564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34326 (or 34324 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 127640103564 in words is "one hundred twenty-seven billion, six hundred forty million, one hundred three thousand, five hundred sixty-four".