136326245243 has 2 divisors, whose sum is σ = 136326245244. Its totient is φ = 136326245242.

The previous prime is 136326245233. The next prime is 136326245257. The reversal of 136326245243 is 342542623631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136326245243 - 2¹⁴ = 136326228859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136326245243.

It is not a weakly prime, because it can be changed into another prime (136326245233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68163122621 + 68163122622.

It is an arithmetic number, because the mean of its divisors is an integer number (68163122622).

Almost surely, 2^136326245243 is an apocalyptic number.

136326245243 is a deficient number, since it is larger than the sum of its proper divisors (1).

136326245243 is an equidigital number, since it uses as much as digits as its factorization.

136326245243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 41.

Adding to 136326245243 its reverse (342542623631), we get a palindrome (478868868874).

The spelling of 136326245243 in words is "one hundred thirty-six billion, three hundred twenty-six million, two hundred forty-five thousand, two hundred forty-three".