252136 has 8 divisors (see below), whose sum is σ = 472770. Its totient is φ = 126064.

The previous prime is 252101. The next prime is 252139. The reversal of 252136 is 631252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 8100 = 494^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (252139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15751 + ... + 15766.

2²⁵²¹³⁶ is an apocalyptic number.

It is an amenable number.

252136 is a deficient number, since it is larger than the sum of its proper divisors (220634).

252136 is a wasteful number, since it uses less digits than its factorization.

252136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31523 (or 31519 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 252136 is about 502.1314568915. The cubic root of 252136 is about 63.1749566964.

Adding to 252136 its reverse (631252), we get a palindrome (883388).

The spelling of 252136 in words is "two hundred fifty-two thousand, one hundred thirty-six".