135243223163 has 16 divisors (see below), whose sum is σ = 143614464000. Its totient is φ = 126999163872.

The previous prime is 135243223133. The next prime is 135243223187. The reversal of 135243223163 is 361322342531.

It is a cyclic number.

It is not a de Polignac number, because 135243223163 - 2²⁶ = 135176114299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135243223133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650748 + ... + 2701286.

It is an arithmetic number, because the mean of its divisors is an integer number (8975904000).

Almost surely, 2^135243223163 is an apocalyptic number.

135243223163 is a deficient number, since it is larger than the sum of its proper divisors (8371240837).

135243223163 is a wasteful number, since it uses less digits than its factorization.

135243223163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51794.

The product of its digits is 77760, while the sum is 35.

Adding to 135243223163 its reverse (361322342531), we get a palindrome (496565565694).

The spelling of 135243223163 in words is "one hundred thirty-five billion, two hundred forty-three million, two hundred twenty-three thousand, one hundred sixty-three".