136645733644213 has 2 divisors, whose sum is σ = 136645733644214. Its totient is φ = 136645733644212.

The previous prime is 136645733644159. The next prime is 136645733644241. The reversal of 136645733644213 is 312446337546631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136377599198724 + 268134445489 = 11678082^2 + 517817^2 .

It is a cyclic number.

It is not a de Polignac number, because 136645733644213 - 2¹⁷ = 136645733513141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136645733644243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68322866822106 + 68322866822107.

It is an arithmetic number, because the mean of its divisors is an integer number (68322866822107).

Almost surely, 2^{136645733644213} is an apocalyptic number.

It is an amenable number.

136645733644213 is a deficient number, since it is larger than the sum of its proper divisors (1).

136645733644213 is an equidigital number, since it uses as much as digits as its factorization.

136645733644213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 58.

The spelling of 136645733644213 in words is "one hundred thirty-six trillion, six hundred forty-five billion, seven hundred thirty-three million, six hundred forty-four thousand, two hundred thirteen".