252135529713 has 6 divisors (see below), whose sum is σ = 364195765154. Its totient is φ = 168090353136.

The previous prime is 252135529691. The next prime is 252135529727. The reversal of 252135529713 is 317925531252.

252135529713 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 3 + 552 + 97 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 237097903329 + 15037626384 = 486927^2 + 122628^2 .

It is not a de Polignac number, because 252135529713 - 2¹² = 252135525617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252135521713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14007529420 + ... + 14007529437.

Almost surely, 2^252135529713 is an apocalyptic number.

It is an amenable number.

252135529713 is a deficient number, since it is larger than the sum of its proper divisors (112060235441).

252135529713 is a wasteful number, since it uses less digits than its factorization.

252135529713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28015058863 (or 28015058860 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The spelling of 252135529713 in words is "two hundred fifty-two billion, one hundred thirty-five million, five hundred twenty-nine thousand, seven hundred thirteen".