128752916413 has 16 divisors (see below), whose sum is σ = 142911345600. Its totient is φ = 115015351680.

The previous prime is 128752916381. The next prime is 128752916423. The reversal of 128752916413 is 314619257821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128752916413 - 2⁵ = 128752916381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128752916423) 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, 82023 + ... + 514036.

It is an arithmetic number, because the mean of its divisors is an integer number (8931959100).

Almost surely, 2^128752916413 is an apocalyptic number.

It is an amenable number.

128752916413 is a deficient number, since it is larger than the sum of its proper divisors (14158429187).

128752916413 is a wasteful number, since it uses less digits than its factorization.

128752916413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596412.

The product of its digits is 725760, while the sum is 49.

The spelling of 128752916413 in words is "one hundred twenty-eight billion, seven hundred fifty-two million, nine hundred sixteen thousand, four hundred thirteen".