136646254411 has 2 divisors, whose sum is σ = 136646254412. Its totient is φ = 136646254410.

The previous prime is 136646254399. The next prime is 136646254441. The reversal of 136646254411 is 114452646631.

It is a weak prime.

It is an emirp because it is prime and its reverse (114452646631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136646254411 is a prime.

It is not a weakly prime, because it can be changed into another prime (136646254441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68323127205 + 68323127206.

It is an arithmetic number, because the mean of its divisors is an integer number (68323127206).

Almost surely, 2^136646254411 is an apocalyptic number.

136646254411 is a deficient number, since it is larger than the sum of its proper divisors (1).

136646254411 is an equidigital number, since it uses as much as digits as its factorization.

136646254411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 136646254411 in words is "one hundred thirty-six billion, six hundred forty-six million, two hundred fifty-four thousand, four hundred eleven".