136664351 has 2 divisors, whose sum is σ = 136664352. Its totient is φ = 136664350.

The previous prime is 136664329. The next prime is 136664371. The reversal of 136664351 is 153466631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136664351 - 2⁶ = 136664287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136664371) 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, 68332175 + 68332176.

It is an arithmetic number, because the mean of its divisors is an integer number (68332176).

Almost surely, 2^136664351 is an apocalyptic number.

136664351 is a deficient number, since it is larger than the sum of its proper divisors (1).

136664351 is an equidigital number, since it uses as much as digits as its factorization.

136664351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 136664351 is about 11690.3529031420. The cubic root of 136664351 is about 515.0923276828.

The spelling of 136664351 in words is "one hundred thirty-six million, six hundred sixty-four thousand, three hundred fifty-one".