132569388757 has 12 divisors (see below), whose sum is σ = 148501524420. Its totient is φ = 118152023808.

The previous prime is 132569388739. The next prime is 132569388793. The reversal of 132569388757 is 757883965231.

It can be written as a sum of positive squares in 6 ways, for example, as 20554670161 + 112014718596 = 143369^2 + 334686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132569388757 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 (132569388737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13519828 + ... + 13529629.

It is an arithmetic number, because the mean of its divisors is an integer number (12375127035).

Almost surely, 2^132569388757 is an apocalyptic number.

It is an amenable number.

132569388757 is a deficient number, since it is larger than the sum of its proper divisors (15932135663).

132569388757 is a wasteful number, since it uses less digits than its factorization.

132569388757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049512 (or 27049499 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 132569388757 in words is "one hundred thirty-two billion, five hundred sixty-nine million, three hundred eighty-eight thousand, seven hundred fifty-seven".