136780482639991 has 2 divisors, whose sum is σ = 136780482639992. Its totient is φ = 136780482639990.

The previous prime is 136780482639887. The next prime is 136780482640007. The reversal of 136780482639991 is 199936284087631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136780482639991 - 2¹¹ = 136780482637943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136780482637991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68390241319995 + 68390241319996.

It is an arithmetic number, because the mean of its divisors is an integer number (68390241319996).

Almost surely, 2^{136780482639991} is an apocalyptic number.

136780482639991 is a deficient number, since it is larger than the sum of its proper divisors (1).

136780482639991 is an equidigital number, since it uses as much as digits as its factorization.

136780482639991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846526464, while the sum is 76.

The spelling of 136780482639991 in words is "one hundred thirty-six trillion, seven hundred eighty billion, four hundred eighty-two million, six hundred thirty-nine thousand, nine hundred ninety-one".