252136707 has 32 divisors (see below), whose sum is σ = 376243200. Its totient is φ = 149257728.

The previous prime is 252136679. The next prime is 252136711. The reversal of 252136707 is 707631252.

It is not a de Polignac number, because 252136707 - 2¹² = 252132611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252136727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355269 + ... + 355977.

It is an arithmetic number, because the mean of its divisors is an integer number (11757600).

Almost surely, 2^252136707 is an apocalyptic number.

252136707 is a deficient number, since it is larger than the sum of its proper divisors (124106493).

252136707 is a wasteful number, since it uses less digits than its factorization.

252136707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 252136707 is about 15878.8131483433. The cubic root of 252136707 is about 631.7501574474.

Adding to 252136707 its reverse (707631252), we get a palindrome (959767959).

The spelling of 252136707 in words is "two hundred fifty-two million, one hundred thirty-six thousand, seven hundred seven".