252508326136 has 16 divisors (see below), whose sum is σ = 516494303640. Its totient is φ = 114776511840.

The previous prime is 252508326131. The next prime is 252508326181. The reversal of 252508326136 is 631623805252.

It is a junction number, because it is equal to n+sod(n) for n = 252508326092 and 252508326101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252508326131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434706311 + ... + 1434706486.

Almost surely, 2^252508326136 is an apocalyptic number.

It is an amenable number.

252508326136 is an abundant number, since it is smaller than the sum of its proper divisors (263985977504).

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

252508326136 is a wasteful number, since it uses less digits than its factorization.

252508326136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869412814 (or 2869412810 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 252508326136 in words is "two hundred fifty-two billion, five hundred eight million, three hundred twenty-six thousand, one hundred thirty-six".