136261632 has 104 divisors (see below), whose sum is σ = 391726384. Its totient is φ = 41877504.

The previous prime is 136261607. The next prime is 136261651. The reversal of 136261632 is 236162631.

It is a tau number, because it is divible by the number of its divisors (104).

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

It is a self number, because there is not a number n which added to its sum of digits gives 136261632.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159318 + ... + 160170.

Almost surely, 2^136261632 is an apocalyptic number.

136261632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136261632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195863192).

136261632 is an abundant number, since it is smaller than the sum of its proper divisors (255464752).

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

136261632 is an equidigital number, since it uses as much as digits as its factorization.

136261632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 871 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 136261632 is about 11673.1157794310. The cubic root of 136261632 is about 514.5858762760.

Subtracting 136261632 from its reverse (236162631), we obtain a palindrome (99900999).

The spelling of 136261632 in words is "one hundred thirty-six million, two hundred sixty-one thousand, six hundred thirty-two".