136125280 has 48 divisors (see below), whose sum is σ = 323704080. Its totient is φ = 54093312.

The previous prime is 136125271. The next prime is 136125299. The reversal of 136125280 is 82521631.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22411 + ... + 27829.

It is an arithmetic number, because the mean of its divisors is an integer number (6743835).

Almost surely, 2^136125280 is an apocalyptic number.

136125280 is a gapful number since it is divisible by the number (10) 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 136125280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161852040).

136125280 is an abundant number, since it is smaller than the sum of its proper divisors (187578800).

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

136125280 is a wasteful number, since it uses less digits than its factorization.

136125280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 136125280 is about 11667.2738889597. The cubic root of 136125280 is about 514.4141766098.

The spelling of 136125280 in words is "one hundred thirty-six million, one hundred twenty-five thousand, two hundred eighty".