127864142215131 has 16 divisors (see below), whose sum is σ = 194841203354624. Its totient is φ = 73064996987904.

The previous prime is 127864142215129. The next prime is 127864142215141. The reversal of 127864142215131 is 131512241468721.

It is not a de Polignac number, because 127864142215131 - 2¹ = 127864142215129 is a prime.

It is a super-2 number, since 2×127864142215131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127864142215141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426086 + ... + 16174491.

It is an arithmetic number, because the mean of its divisors is an integer number (12177575209664).

Almost surely, 2^{127864142215131} is an apocalyptic number.

127864142215131 is a deficient number, since it is larger than the sum of its proper divisors (66977061139493).

127864142215131 is a wasteful number, since it uses less digits than its factorization.

127864142215131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18927930.

The product of its digits is 645120, while the sum is 48.

The spelling of 127864142215131 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred forty-two million, two hundred fifteen thousand, one hundred thirty-one".