61136264 has 32 divisors (see below), whose sum is σ = 131414400. Its totient is φ = 26119680.

The previous prime is 61136261. The next prime is 61136291. The reversal of 61136264 is 46263116.

It is a happy number.

61136264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61136261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18584 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (4106700).

Almost surely, 2^61136264 is an apocalyptic number.

It is an amenable number.

61136264 is an abundant number, since it is smaller than the sum of its proper divisors (70278136).

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

61136264 is a wasteful number, since it uses less digits than its factorization.

61136264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3409 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 61136264 is about 7818.9682183777. The cubic root of 61136264 is about 393.9426166354.

The spelling of 61136264 in words is "sixty-one million, one hundred thirty-six thousand, two hundred sixty-four".