136353089 has 2 divisors, whose sum is σ = 136353090. Its totient is φ = 136353088.

The previous prime is 136353067. The next prime is 136353143. The reversal of 136353089 is 980353631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129504400 + 6848689 = 11380^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 136353089 - 2⁸ = 136352833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (136343089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68176544 + 68176545.

It is an arithmetic number, because the mean of its divisors is an integer number (68176545).

Almost surely, 2^136353089 is an apocalyptic number.

It is an amenable number.

136353089 is a deficient number, since it is larger than the sum of its proper divisors (1).

136353089 is an equidigital number, since it uses as much as digits as its factorization.

136353089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 136353089 is about 11677.0325425598. The cubic root of 136353089 is about 514.7009782664.

The spelling of 136353089 in words is "one hundred thirty-six million, three hundred fifty-three thousand, eighty-nine".