136585949 has 2 divisors, whose sum is σ = 136585950. Its totient is φ = 136585948.

The previous prime is 136585921. The next prime is 136585957. The reversal of 136585949 is 949585631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134676025 + 1909924 = 11605^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 136585949 - 2⁸ = 136585693 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136585897 and 136585906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136585909) 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, 68292974 + 68292975.

It is an arithmetic number, because the mean of its divisors is an integer number (68292975).

Almost surely, 2^136585949 is an apocalyptic number.

It is an amenable number.

136585949 is a deficient number, since it is larger than the sum of its proper divisors (1).

136585949 is an equidigital number, since it uses as much as digits as its factorization.

136585949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 136585949 is about 11686.9991443484. Note that the first 3 decimals coincide. The cubic root of 136585949 is about 514.9938089556.

The spelling of 136585949 in words is "one hundred thirty-six million, five hundred eighty-five thousand, nine hundred forty-nine".