136780482640287 has 4 divisors (see below), whose sum is σ = 182373976853720. Its totient is φ = 91186988426856.

The previous prime is 136780482640247. The next prime is 136780482640289. The reversal of 136780482640287 is 782046284087631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136780482640287 - 2⁸ = 136780482640031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136780482640289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22796747106712 + ... + 22796747106717.

It is an arithmetic number, because the mean of its divisors is an integer number (45593494213430).

Almost surely, 2^{136780482640287} is an apocalyptic number.

136780482640287 is a deficient number, since it is larger than the sum of its proper divisors (45593494213433).

136780482640287 is an equidigital number, since it uses as much as digits as its factorization.

136780482640287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593494213432.

The product of its (nonzero) digits is 173408256, while the sum is 66.

The spelling of 136780482640287 in words is "one hundred thirty-six trillion, seven hundred eighty billion, four hundred eighty-two million, six hundred forty thousand, two hundred eighty-seven".