127149244379165 has 16 divisors (see below), whose sum is σ = 152637962388912. Its totient is φ = 101680152290304.

The previous prime is 127149244379147. The next prime is 127149244379207. The reversal of 127149244379165 is 561973442941721.

It can be written as a sum of positive squares in 8 ways, for example, as 822906608164 + 126326337771001 = 907142^2 + 11239499^2 .

It is a cyclic number.

It is not a de Polignac number, because 127149244379165 - 2³² = 127144949411869 is a prime.

It is a Duffinian number.

It is a congruent 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, 385092527 + ... + 385422563.

It is an arithmetic number, because the mean of its divisors is an integer number (9539872649307).

Almost surely, 2^{127149244379165} is an apocalyptic number.

It is an amenable number.

127149244379165 is a deficient number, since it is larger than the sum of its proper divisors (25488718009747).

127149244379165 is a wasteful number, since it uses less digits than its factorization.

127149244379165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359536.

The product of its digits is 91445760, while the sum is 65.

The spelling of 127149244379165 in words is "one hundred twenty-seven trillion, one hundred forty-nine billion, two hundred forty-four million, three hundred seventy-nine thousand, one hundred sixty-five".