136261368097 has 2 divisors, whose sum is σ = 136261368098. Its totient is φ = 136261368096.

The previous prime is 136261368037. The next prime is 136261368109. The reversal of 136261368097 is 790863162631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108056180961 + 28205187136 = 328719^2 + 167944^2 .

It is a cyclic number.

It is not a de Polignac number, because 136261368097 - 2¹¹ = 136261366049 is a prime.

It is a super-2 number, since 2×136261368097² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136261368037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68130684048 + 68130684049.

It is an arithmetic number, because the mean of its divisors is an integer number (68130684049).

Almost surely, 2^136261368097 is an apocalyptic number.

It is an amenable number.

136261368097 is a deficient number, since it is larger than the sum of its proper divisors (1).

136261368097 is an equidigital number, since it uses as much as digits as its factorization.

136261368097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 136261368097 in words is "one hundred thirty-six billion, two hundred sixty-one million, three hundred sixty-eight thousand, ninety-seven".