136635564 has 48 divisors (see below), whose sum is σ = 344395520. Its totient is φ = 41912640.

The previous prime is 136635539. The next prime is 136635599. The reversal of 136635564 is 465536631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 57969 + ... + 60279.

Almost surely, 2^136635564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136635564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172197760).

136635564 is an abundant number, since it is smaller than the sum of its proper divisors (207759956).

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

136635564 is a wasteful number, since it uses less digits than its factorization.

136635564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 136635564 is about 11689.1216094281. The cubic root of 136635564 is about 515.0561587673.

The spelling of 136635564 in words is "one hundred thirty-six million, six hundred thirty-five thousand, five hundred sixty-four".