136480320 has 84 divisors (see below), whose sum is σ = 469445340. Its totient is φ = 36393984.

The previous prime is 136480313. The next prime is 136480361. The reversal of 136480320 is 23084631.

It is a happy number.

136480320 is a `hidden beast` number, since 13 + 648 + 0 + 3 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20358144 + 116122176 = 4512^2 + 10776^2 .

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 11 ways as a sum of consecutive naturals, for example, 20815 + ... + 26574.

It is an arithmetic number, because the mean of its divisors is an integer number (5588635).

Almost surely, 2^136480320 is an apocalyptic number.

136480320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136480320 is an abundant number, since it is smaller than the sum of its proper divisors (332965020).

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

136480320 is a wasteful number, since it uses less digits than its factorization.

136480320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47412 (or 47399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 136480320 is about 11682.4791889393. The cubic root of 136480320 is about 514.8610175754.

The spelling of 136480320 in words is "one hundred thirty-six million, four hundred eighty thousand, three hundred twenty".