136250220 has 24 divisors (see below), whose sum is σ = 381500784. Its totient is φ = 36333376.

The previous prime is 136250209. The next prime is 136250237. The reversal of 136250220 is 22052631.

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, 1135359 + ... + 1135478.

It is an arithmetic number, because the mean of its divisors is an integer number (15895866).

Almost surely, 2^136250220 is an apocalyptic number.

136250220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136250220 is an abundant number, since it is smaller than the sum of its proper divisors (245250564).

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

136250220 is a wasteful number, since it uses less digits than its factorization.

136250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270849 (or 2270847 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 136250220 is about 11672.6269536896. The cubic root of 136250220 is about 514.5715102414.

The spelling of 136250220 in words is "one hundred thirty-six million, two hundred fifty thousand, two hundred twenty".