136869975111169 has 2 divisors, whose sum is σ = 136869975111170. Its totient is φ = 136869975111168.

The previous prime is 136869975111161. The next prime is 136869975111239. The reversal of 136869975111169 is 961111579968631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113045696967025 + 23824278144144 = 10632295^2 + 4881012^2 .

It is a cyclic number.

It is not a de Polignac number, because 136869975111169 - 2³ = 136869975111161 is a prime.

It is a super-2 number, since 2×136869975111169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136869975111161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68434987555584 + 68434987555585.

It is an arithmetic number, because the mean of its divisors is an integer number (68434987555585).

Almost surely, 2^{136869975111169} is an apocalyptic number.

It is an amenable number.

136869975111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

136869975111169 is an equidigital number, since it uses as much as digits as its factorization.

136869975111169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132269760, while the sum is 73.

The spelling of 136869975111169 in words is "one hundred thirty-six trillion, eight hundred sixty-nine billion, nine hundred seventy-five million, one hundred eleven thousand, one hundred sixty-nine".