136447133 has 2 divisors, whose sum is σ = 136447134. Its totient is φ = 136447132.

The previous prime is 136447099. The next prime is 136447163. The reversal of 136447133 is 331744631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136002244 + 444889 = 11662^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 136447133 - 2²⁴ = 119669917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136447133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136447163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68223566 + 68223567.

It is an arithmetic number, because the mean of its divisors is an integer number (68223567).

Almost surely, 2^136447133 is an apocalyptic number.

It is an amenable number.

136447133 is a deficient number, since it is larger than the sum of its proper divisors (1).

136447133 is an equidigital number, since it uses as much as digits as its factorization.

136447133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 136447133 is about 11681.0587277010. The cubic root of 136447133 is about 514.8192824306.

The spelling of 136447133 in words is "one hundred thirty-six million, four hundred forty-seven thousand, one hundred thirty-three".