135454523233 has 2 divisors, whose sum is σ = 135454523234. Its totient is φ = 135454523232.

The previous prime is 135454523177. The next prime is 135454523263. The reversal of 135454523233 is 332325454531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130095111969 + 5359411264 = 360687^2 + 73208^2 .

It is a cyclic number.

It is not a de Polignac number, because 135454523233 - 2²⁵ = 135420968801 is a prime.

It is not a weakly prime, because it can be changed into another prime (135454523263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67727261616 + 67727261617.

It is an arithmetic number, because the mean of its divisors is an integer number (67727261617).

Almost surely, 2^135454523233 is an apocalyptic number.

It is an amenable number.

135454523233 is a deficient number, since it is larger than the sum of its proper divisors (1).

135454523233 is an equidigital number, since it uses as much as digits as its factorization.

135454523233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 40.

Adding to 135454523233 its reverse (332325454531), we get a palindrome (467779977764).

The spelling of 135454523233 in words is "one hundred thirty-five billion, four hundred fifty-four million, five hundred twenty-three thousand, two hundred thirty-three".