136748765772851 has 16 divisors (see below), whose sum is σ = 147147309365760. Its totient is φ = 126675542112480.

The previous prime is 136748765772719. The next prime is 136748765772859. The reversal of 136748765772851 is 158277567847631.

It is a cyclic number.

It is not a de Polignac number, because 136748765772851 - 2²⁶ = 136748698663987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136748765772859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71217521 + ... + 73112466.

It is an arithmetic number, because the mean of its divisors is an integer number (9196706835360).

Almost surely, 2^{136748765772851} is an apocalyptic number.

136748765772851 is a deficient number, since it is larger than the sum of its proper divisors (10398543592909).

136748765772851 is a wasteful number, since it uses less digits than its factorization.

136748765772851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144331114.

The product of its digits is 3319142400, while the sum is 77.

The spelling of 136748765772851 in words is "one hundred thirty-six trillion, seven hundred forty-eight billion, seven hundred sixty-five million, seven hundred seventy-two thousand, eight hundred fifty-one".