135852615684 has 36 divisors (see below), whose sum is σ = 345911843004. Its totient is φ = 44953661952.

The previous prime is 135852615683. The next prime is 135852615719. The reversal of 135852615684 is 486516258531.

135852615684 is a `hidden beast` number, since 1 + 3 + 58 + 5 + 26 + 1 + 568 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35539790400 + 100312825284 = 188520^2 + 316722^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 135852615684.

It is not an unprimeable number, because it can be changed into a prime (135852615683) 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, 13767637 + ... + 13777500.

Almost surely, 2^135852615684 is an apocalyptic number.

It is an amenable number.

135852615684 is an abundant number, since it is smaller than the sum of its proper divisors (210059227320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135852615684 is a wasteful number, since it uses less digits than its factorization.

135852615684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545284 (or 27545279 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 135852615684 in words is "one hundred thirty-five billion, eight hundred fifty-two million, six hundred fifteen thousand, six hundred eighty-four".