136084309 has 2 divisors, whose sum is σ = 136084310. Its totient is φ = 136084308.

The previous prime is 136084271. The next prime is 136084339. The reversal of 136084309 is 903480631.

136084309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98446084 + 37638225 = 9922^2 + 6135^2 .

It is a cyclic number.

It is not a de Polignac number, because 136084309 - 2¹⁹ = 135560021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136084339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68042154 + 68042155.

It is an arithmetic number, because the mean of its divisors is an integer number (68042155).

Almost surely, 2^136084309 is an apocalyptic number.

It is an amenable number.

136084309 is a deficient number, since it is larger than the sum of its proper divisors (1).

136084309 is an equidigital number, since it uses as much as digits as its factorization.

136084309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 136084309 is about 11665.5179482096. The cubic root of 136084309 is about 514.3625619548.

The spelling of 136084309 in words is "one hundred thirty-six million, eighty-four thousand, three hundred nine".