136780482640247 has 2 divisors, whose sum is σ = 136780482640248. Its totient is φ = 136780482640246.

The previous prime is 136780482640229. The next prime is 136780482640289. The reversal of 136780482640247 is 742046284087631.

It is a weak prime.

It is an emirp because it is prime and its reverse (742046284087631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136780482640247 - 2⁸ = 136780482639991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136780482640247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136780482640447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68390241320123 + 68390241320124.

It is an arithmetic number, because the mean of its divisors is an integer number (68390241320124).

Almost surely, 2^{136780482640247} is an apocalyptic number.

136780482640247 is a deficient number, since it is larger than the sum of its proper divisors (1).

136780482640247 is an equidigital number, since it uses as much as digits as its factorization.

136780482640247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86704128, while the sum is 62.

The spelling of 136780482640247 in words is "one hundred thirty-six trillion, seven hundred eighty billion, four hundred eighty-two million, six hundred forty thousand, two hundred forty-seven".