136481320 has 32 divisors (see below), whose sum is σ = 309304800. Its totient is φ = 54197568.

The previous prime is 136481281. The next prime is 136481329. The reversal of 136481320 is 23184631.

It is not an unprimeable number, because it can be changed into a prime (136481329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (9665775).

Almost surely, 2^136481320 is an apocalyptic number.

136481320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136481320 is an abundant number, since it is smaller than the sum of its proper divisors (172823480).

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

136481320 is a wasteful number, since it uses less digits than its factorization.

136481320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697 (or 24693 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 136481320 is about 11682.5219879956. The cubic root of 136481320 is about 514.8622750455.

The spelling of 136481320 in words is "one hundred thirty-six million, four hundred eighty-one thousand, three hundred twenty".