136423424011169 has 2 divisors, whose sum is σ = 136423424011170. Its totient is φ = 136423424011168.

The previous prime is 136423424011159. The next prime is 136423424011241. The reversal of 136423424011169 is 961110424324631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75966267834769 + 60457156176400 = 8715863^2 + 7775420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136423424011169 is a prime.

It is a super-2 number, since 2×136423424011169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136423424011159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68211712005584 + 68211712005585.

It is an arithmetic number, because the mean of its divisors is an integer number (68211712005585).

Almost surely, 2^{136423424011169} is an apocalyptic number.

It is an amenable number.

136423424011169 is a deficient number, since it is larger than the sum of its proper divisors (1).

136423424011169 is an equidigital number, since it uses as much as digits as its factorization.

136423424011169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 136423424011169 in words is "one hundred thirty-six trillion, four hundred twenty-three billion, four hundred twenty-four million, eleven thousand, one hundred sixty-nine".