136896293 has 2 divisors, whose sum is σ = 136896294. Its totient is φ = 136896292.

The previous prime is 136896271. The next prime is 136896301. The reversal of 136896293 is 392698631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121396324 + 15499969 = 11018^2 + 3937^2 .

It is a cyclic number.

It is not a de Polignac number, because 136896293 - 2⁶ = 136896229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136896203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68448146 + 68448147.

It is an arithmetic number, because the mean of its divisors is an integer number (68448147).

Almost surely, 2^136896293 is an apocalyptic number.

It is an amenable number.

136896293 is a deficient number, since it is larger than the sum of its proper divisors (1).

136896293 is an equidigital number, since it uses as much as digits as its factorization.

136896293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 136896293 is about 11700.2689285332. The cubic root of 136896293 is about 515.3835619361.

The spelling of 136896293 in words is "one hundred thirty-six million, eight hundred ninety-six thousand, two hundred ninety-three".