13156134222 has 48 divisors (see below), whose sum is σ = 33053440896. Its totient is φ = 3417176400.

The previous prime is 13156134197. The next prime is 13156134227. The reversal of 13156134222 is 22243165131.

It is a self number, because there is not a number n which added to its sum of digits gives 13156134222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156134227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1289304 + ... + 1299467.

It is an arithmetic number, because the mean of its divisors is an integer number (688613352).

Almost surely, 2^13156134222 is an apocalyptic number.

13156134222 is an abundant number, since it is smaller than the sum of its proper divisors (19897306674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13156134222 is a wasteful number, since it uses less digits than its factorization.

13156134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588805 (or 2588794 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 13156134222 its reverse (22243165131), we get a palindrome (35399299353).

The spelling of 13156134222 in words is "thirteen billion, one hundred fifty-six million, one hundred thirty-four thousand, two hundred twenty-two".