136099020 has 24 divisors (see below), whose sum is σ = 381077424. Its totient is φ = 36293056.

The previous prime is 136099013. The next prime is 136099063. The reversal of 136099020 is 20990631.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1134099 + ... + 1134218.

It is an arithmetic number, because the mean of its divisors is an integer number (15878226).

Almost surely, 2^136099020 is an apocalyptic number.

136099020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136099020 is an abundant number, since it is smaller than the sum of its proper divisors (244978404).

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

136099020 is a wasteful number, since it uses less digits than its factorization.

136099020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268329 (or 2268327 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 136099020 is about 11666.1484646819. The cubic root of 136099020 is about 514.3810958452.

The spelling of 136099020 in words is "one hundred thirty-six million, ninety-nine thousand, twenty".