136355223317 has 2 divisors, whose sum is σ = 136355223318. Its totient is φ = 136355223316.

The previous prime is 136355223253. The next prime is 136355223343. The reversal of 136355223317 is 713322553631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76931897956 + 59423325361 = 277366^2 + 243769^2 .

It is a cyclic number.

It is not a de Polignac number, because 136355223317 - 2⁶ = 136355223253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136355223617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68177611658 + 68177611659.

It is an arithmetic number, because the mean of its divisors is an integer number (68177611659).

Almost surely, 2^136355223317 is an apocalyptic number.

It is an amenable number.

136355223317 is a deficient number, since it is larger than the sum of its proper divisors (1).

136355223317 is an equidigital number, since it uses as much as digits as its factorization.

136355223317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 41.

Adding to 136355223317 its reverse (713322553631), we get a palindrome (849677776948).

The spelling of 136355223317 in words is "one hundred thirty-six billion, three hundred fifty-five million, two hundred twenty-three thousand, three hundred seventeen".