136145920 has 44 divisors (see below), whose sum is σ = 326602944. Its totient is φ = 54456320.

The previous prime is 136145917. The next prime is 136145921. The reversal of 136145920 is 29541631.

It is not an unprimeable number, because it can be changed into a prime (136145921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176 + ... + 18415.

Almost surely, 2^136145920 is an apocalyptic number.

136145920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136145920 is an abundant number, since it is smaller than the sum of its proper divisors (190457024).

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

136145920 is an equidigital number, since it uses as much as digits as its factorization.

136145920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616 (or 26598 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 136145920 is about 11668.1583808243. The cubic root of 136145920 is about 514.4401746512.

The spelling of 136145920 in words is "one hundred thirty-six million, one hundred forty-five thousand, nine hundred twenty".