136361413223213 has 2 divisors, whose sum is σ = 136361413223214. Its totient is φ = 136361413223212.

The previous prime is 136361413223209. The next prime is 136361413223219. The reversal of 136361413223213 is 312322314163631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109137259946884 + 27224153276329 = 10446878^2 + 5217677^2 .

It is an emirp because it is prime and its reverse (312322314163631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136361413223213 - 2² = 136361413223209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136361413223219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68180706611606 + 68180706611607.

It is an arithmetic number, because the mean of its divisors is an integer number (68180706611607).

Almost surely, 2^{136361413223213} is an apocalyptic number.

It is an amenable number.

136361413223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

136361413223213 is an equidigital number, since it uses as much as digits as its factorization.

136361413223213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

Adding to 136361413223213 its reverse (312322314163631), we get a palindrome (448683727386844).

The spelling of 136361413223213 in words is "one hundred thirty-six trillion, three hundred sixty-one billion, four hundred thirteen million, two hundred twenty-three thousand, two hundred thirteen".