136613244 has 12 divisors (see below), whose sum is σ = 318764264. Its totient is φ = 45537744.

The previous prime is 136613227. The next prime is 136613293. The reversal of 136613244 is 442316631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5692207 + ... + 5692230.

Almost surely, 2^136613244 is an apocalyptic number.

It is an amenable number.

136613244 is an abundant number, since it is smaller than the sum of its proper divisors (182151020).

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

136613244 is a wasteful number, since it uses less digits than its factorization.

136613244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384444 (or 11384442 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 136613244 is about 11688.1668365916. The cubic root of 136613244 is about 515.0281117027.

Adding to 136613244 its reverse (442316631), we get a palindrome (578929875).

The spelling of 136613244 in words is "one hundred thirty-six million, six hundred thirteen thousand, two hundred forty-four".