136609133 has 2 divisors, whose sum is σ = 136609134. Its totient is φ = 136609132.

The previous prime is 136609129. The next prime is 136609177. The reversal of 136609133 is 331906631.

136609133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95687524 + 40921609 = 9782^2 + 6397^2 .

It is a cyclic number.

It is not a de Polignac number, because 136609133 - 2² = 136609129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136609133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136609933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68304566 + 68304567.

It is an arithmetic number, because the mean of its divisors is an integer number (68304567).

Almost surely, 2^136609133 is an apocalyptic number.

It is an amenable number.

136609133 is a deficient number, since it is larger than the sum of its proper divisors (1).

136609133 is an equidigital number, since it uses as much as digits as its factorization.

136609133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 136609133 is about 11687.9909736447. The cubic root of 136609133 is about 515.0229455325.

The spelling of 136609133 in words is "one hundred thirty-six million, six hundred nine thousand, one hundred thirty-three".