135222643063 has 4 divisors (see below), whose sum is σ = 136463217880. Its totient is φ = 133982068248.

The previous prime is 135222643051. The next prime is 135222643109. The reversal of 135222643063 is 360346222531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135222643063 - 2³³ = 126632708471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135222643013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620287245 + ... + 620287462.

It is an arithmetic number, because the mean of its divisors is an integer number (34115804470).

Almost surely, 2^135222643063 is an apocalyptic number.

135222643063 is a deficient number, since it is larger than the sum of its proper divisors (1240574817).

135222643063 is a wasteful number, since it uses less digits than its factorization.

135222643063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240574816.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 135222643063 its reverse (360346222531), we get a palindrome (495568865594).

The spelling of 135222643063 in words is "one hundred thirty-five billion, two hundred twenty-two million, six hundred forty-three thousand, sixty-three".