132635778813 has 12 divisors (see below), whose sum is σ = 191608391260. Its totient is φ = 88413062976.

The previous prime is 132635778757. The next prime is 132635778817. The reversal of 132635778813 is 318877536231.

It is a happy number.

132635778813 is a `hidden beast` number, since 1 + 3 + 2 + 63 + 577 + 8 + 8 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48427283844 + 84208494969 = 220062^2 + 290187^2 .

It is not a de Polignac number, because 132635778813 - 2¹⁰ = 132635777789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132635778813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132635778817) 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, 820918 + ... + 969111.

Almost surely, 2^132635778813 is an apocalyptic number.

It is an amenable number.

132635778813 is a deficient number, since it is larger than the sum of its proper divisors (58972612447).

132635778813 is a wasteful number, since it uses less digits than its factorization.

132635778813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798268 (or 1798265 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 132635778813 in words is "one hundred thirty-two billion, six hundred thirty-five million, seven hundred seventy-eight thousand, eight hundred thirteen".