136827820 has 24 divisors (see below), whose sum is σ = 287736624. Its totient is φ = 54655296.

The previous prime is 136827749. The next prime is 136827827. The reversal of 136827820 is 28728631.

136827820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136827820.

It is not an unprimeable number, because it can be changed into a prime (136827827) 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, 11394 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (11989026).

Almost surely, 2^136827820 is an apocalyptic number.

136827820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136827820 is an abundant number, since it is smaller than the sum of its proper divisors (150908804).

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

136827820 is a wasteful number, since it uses less digits than its factorization.

136827820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9487 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 136827820 is about 11697.3424332196. The cubic root of 136827820 is about 515.2976191560.

The spelling of 136827820 in words is "one hundred thirty-six million, eight hundred twenty-seven thousand, eight hundred twenty".