136520832 has 64 divisors (see below), whose sum is σ = 414446400. Its totient is φ = 39005184.

The previous prime is 136520827. The next prime is 136520843. The reversal of 136520832 is 238025631.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 136520832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22707 + ... + 28082.

It is an arithmetic number, because the mean of its divisors is an integer number (6475725).

Almost surely, 2^136520832 is an apocalyptic number.

136520832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136520832 is an abundant number, since it is smaller than the sum of its proper divisors (277925568).

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

136520832 is an equidigital number, since it uses as much as digits as its factorization.

136520832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50813 (or 50801 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 136520832 is about 11684.2129388333. The cubic root of 136520832 is about 514.9119552883.

The spelling of 136520832 in words is "one hundred thirty-six million, five hundred twenty thousand, eight hundred thirty-two".