136635632 has 20 divisors (see below), whose sum is σ = 302550576. Its totient is φ = 58558080.

The previous prime is 136635619. The next prime is 136635637. The reversal of 136635632 is 236536631.

It is a junction number, because it is equal to n+sod(n) for n = 136635592 and 136635601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136635637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 609869 + ... + 610092.

Almost surely, 2^136635632 is an apocalyptic number.

It is an amenable number.

136635632 is an abundant number, since it is smaller than the sum of its proper divisors (165914944).

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

136635632 is a wasteful number, since it uses less digits than its factorization.

136635632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219976 (or 1219970 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

The square root of 136635632 is about 11689.1245181151. The cubic root of 136635632 is about 515.0562442107.

Subtracting 136635632 from its reverse (236536631), we obtain a palindrome (99900999).

The spelling of 136635632 in words is "one hundred thirty-six million, six hundred thirty-five thousand, six hundred thirty-two".