136355223253 has 2 divisors, whose sum is σ = 136355223254. Its totient is φ = 136355223252.

The previous prime is 136355223227. The next prime is 136355223317. The reversal of 136355223253 is 352322553631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85181092164 + 51174131089 = 291858^2 + 226217^2 .

It is a cyclic number.

It is not a de Polignac number, because 136355223253 - 2⁹ = 136355222741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136355223223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68177611626 + 68177611627.

It is an arithmetic number, because the mean of its divisors is an integer number (68177611627).

Almost surely, 2^136355223253 is an apocalyptic number.

It is an amenable number.

136355223253 is a deficient number, since it is larger than the sum of its proper divisors (1).

136355223253 is an equidigital number, since it uses as much as digits as its factorization.

136355223253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 40.

Adding to 136355223253 its reverse (352322553631), we get a palindrome (488677776884).

The spelling of 136355223253 in words is "one hundred thirty-six billion, three hundred fifty-five million, two hundred twenty-three thousand, two hundred fifty-three".