36135252 has 18 divisors (see below), whose sum is σ = 91341978. Its totient is φ = 12045072.

The previous prime is 36135233. The next prime is 36135259. The reversal of 36135252 is 25253163.

It can be written as a sum of positive squares in only one way, i.e., 22695696 + 13439556 = 4764^2 + 3666^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36135259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501843 + ... + 501914.

Almost surely, 2^36135252 is an apocalyptic number.

It is an amenable number.

36135252 is an abundant number, since it is smaller than the sum of its proper divisors (55206726).

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

36135252 is a wasteful number, since it uses less digits than its factorization.

36135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003767 (or 1003762 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 36135252 is about 6011.2604335530. The cubic root of 36135252 is about 330.6057194694.

The spelling of 36135252 in words is "thirty-six million, one hundred thirty-five thousand, two hundred fifty-two".