136218179 has 2 divisors, whose sum is σ = 136218180. Its totient is φ = 136218178.

The previous prime is 136218151. The next prime is 136218209. The reversal of 136218179 is 971812631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136218179 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136218119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68109089 + 68109090.

It is an arithmetic number, because the mean of its divisors is an integer number (68109090).

Almost surely, 2^136218179 is an apocalyptic number.

136218179 is a deficient number, since it is larger than the sum of its proper divisors (1).

136218179 is an equidigital number, since it uses as much as digits as its factorization.

136218179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 136218179 is about 11671.2543884537. The cubic root of 136218179 is about 514.5311710323.

The spelling of 136218179 in words is "one hundred thirty-six million, two hundred eighteen thousand, one hundred seventy-nine".