136206155 has 16 divisors (see below), whose sum is σ = 176056320. Its totient is φ = 100826208.

The previous prime is 136206151. The next prime is 136206167. The reversal of 136206155 is 551602631.

136206155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 136206155 - 2² = 136206151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136206151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12587 + ... + 20756.

It is an arithmetic number, because the mean of its divisors is an integer number (11003520).

Almost surely, 2^136206155 is an apocalyptic number.

136206155 is a deficient number, since it is larger than the sum of its proper divisors (39850165).

136206155 is a wasteful number, since it uses less digits than its factorization.

136206155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33410.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 136206155 is about 11670.7392653593. The cubic root of 136206155 is about 514.5160313378.

Adding to 136206155 its reverse (551602631), we get a palindrome (687808786).

The spelling of 136206155 in words is "one hundred thirty-six million, two hundred six thousand, one hundred fifty-five".