136273441687 has 2 divisors, whose sum is σ = 136273441688. Its totient is φ = 136273441686.

The previous prime is 136273441643. The next prime is 136273441751. The reversal of 136273441687 is 786144372631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136273441687 - 2⁷ = 136273441559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136273441487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68136720843 + 68136720844.

It is an arithmetic number, because the mean of its divisors is an integer number (68136720844).

Almost surely, 2^136273441687 is an apocalyptic number.

136273441687 is a deficient number, since it is larger than the sum of its proper divisors (1).

136273441687 is an equidigital number, since it uses as much as digits as its factorization.

136273441687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 52.

The spelling of 136273441687 in words is "one hundred thirty-six billion, two hundred seventy-three million, four hundred forty-one thousand, six hundred eighty-seven".