136226366623 has 2 divisors, whose sum is σ = 136226366624. Its totient is φ = 136226366622.

The previous prime is 136226366621. The next prime is 136226366657. The reversal of 136226366623 is 326663622631.

It is a weak prime.

It is an emirp because it is prime and its reverse (326663622631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136226366623 - 2¹ = 136226366621 is a prime.

Together with 136226366621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136226366621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68113183311 + 68113183312.

It is an arithmetic number, because the mean of its divisors is an integer number (68113183312).

Almost surely, 2^136226366623 is an apocalyptic number.

136226366623 is a deficient number, since it is larger than the sum of its proper divisors (1).

136226366623 is an equidigital number, since it uses as much as digits as its factorization.

136226366623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 46.

The spelling of 136226366623 in words is "one hundred thirty-six billion, two hundred twenty-six million, three hundred sixty-six thousand, six hundred twenty-three".