136159252 has 6 divisors (see below), whose sum is σ = 238278698. Its totient is φ = 68079624.

The previous prime is 136159229. The next prime is 136159253. The reversal of 136159252 is 252951631.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 67667076 = 8276^2 + 8226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136159253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17019903 + ... + 17019910.

Almost surely, 2^136159252 is an apocalyptic number.

It is an amenable number.

136159252 is a deficient number, since it is larger than the sum of its proper divisors (102119446).

136159252 is a wasteful number, since it uses less digits than its factorization.

136159252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34039817 (or 34039815 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 136159252 is about 11668.7296652206. The cubic root of 136159252 is about 514.4569661755.

The spelling of 136159252 in words is "one hundred thirty-six million, one hundred fifty-nine thousand, two hundred fifty-two".