136959489511223 has 2 divisors, whose sum is σ = 136959489511224. Its totient is φ = 136959489511222.

The previous prime is 136959489511153. The next prime is 136959489511261. The reversal of 136959489511223 is 322115984959631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136959489511223 - 2⁴⁰ = 135859977883447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136959489514223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68479744755611 + 68479744755612.

It is an arithmetic number, because the mean of its divisors is an integer number (68479744755612).

Almost surely, 2^{136959489511223} is an apocalyptic number.

136959489511223 is a deficient number, since it is larger than the sum of its proper divisors (1).

136959489511223 is an equidigital number, since it uses as much as digits as its factorization.

136959489511223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125971200, while the sum is 68.

The spelling of 136959489511223 in words is "one hundred thirty-six trillion, nine hundred fifty-nine billion, four hundred eighty-nine million, five hundred eleven thousand, two hundred twenty-three".