136670353 has 2 divisors, whose sum is σ = 136670354. Its totient is φ = 136670352.

The previous prime is 136670333. The next prime is 136670371. The reversal of 136670353 is 353076631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 61009 = 11688^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 136670353 - 2⁵ = 136670321 is a prime.

It is not a weakly prime, because it can be changed into another prime (136670323) 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, 68335176 + 68335177.

It is an arithmetic number, because the mean of its divisors is an integer number (68335177).

Almost surely, 2^136670353 is an apocalyptic number.

It is an amenable number.

136670353 is a deficient number, since it is larger than the sum of its proper divisors (1).

136670353 is an equidigital number, since it uses as much as digits as its factorization.

136670353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 136670353 is about 11690.6096077151. The cubic root of 136670353 is about 515.0998681493.

The spelling of 136670353 in words is "one hundred thirty-six million, six hundred seventy thousand, three hundred fifty-three".