136411252 has 24 divisors (see below), whose sum is σ = 249875136. Its totient is φ = 65036928.

The previous prime is 136411237. The next prime is 136411291. The reversal of 136411252 is 252114631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29788 + ... + 34060.

It is an arithmetic number, because the mean of its divisors is an integer number (10411464).

Almost surely, 2^136411252 is an apocalyptic number.

It is an amenable number.

136411252 is a deficient number, since it is larger than the sum of its proper divisors (113463884).

136411252 is a wasteful number, since it uses less digits than its factorization.

136411252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647 (or 4645 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 136411252 is about 11679.5227642229. The cubic root of 136411252 is about 514.7741517643.

Adding to 136411252 its reverse (252114631), we get a palindrome (388525883).

The spelling of 136411252 in words is "one hundred thirty-six million, four hundred eleven thousand, two hundred fifty-two".