135513022443 has 16 divisors (see below), whose sum is σ = 189979105536. Its totient is φ = 85754445920.

The previous prime is 135513022417. The next prime is 135513022457. The reversal of 135513022443 is 344220315531.

It is a cyclic number.

It is not a de Polignac number, because 135513022443 - 2¹⁰ = 135513021419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135513022943) 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, 7486980 + ... + 7505057.

It is an arithmetic number, because the mean of its divisors is an integer number (11873694096).

Almost surely, 2^135513022443 is an apocalyptic number.

135513022443 is a deficient number, since it is larger than the sum of its proper divisors (54466083093).

135513022443 is a wasteful number, since it uses less digits than its factorization.

135513022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992194.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 135513022443 its reverse (344220315531), we get a palindrome (479733337974).

The spelling of 135513022443 in words is "one hundred thirty-five billion, five hundred thirteen million, twenty-two thousand, four hundred forty-three".