136805955 has 128 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 56348160.

The previous prime is 136805951. The next prime is 136805969. The reversal of 136805955 is 559508631.

136805955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136805955 - 2² = 136805951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136805951) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2318716 + ... + 2318774.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^136805955 is an apocalyptic number.

136805955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136805955 is an abundant number, since it is smaller than the sum of its proper divisors (141885885).

136805955 is a wasteful number, since it uses less digits than its factorization.

136805955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 136805955 is about 11696.4077818790. The cubic root of 136805955 is about 515.2701696148.

The spelling of 136805955 in words is "one hundred thirty-six million, eight hundred five thousand, nine hundred fifty-five".