13422134334 has 64 divisors (see below), whose sum is σ = 32075688960. Its totient is φ = 3660983040.

The previous prime is 13422134281. The next prime is 13422134339. The reversal of 13422134334 is 43343122431.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422134339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489952 + ... + 516620.

It is an arithmetic number, because the mean of its divisors is an integer number (501182640).

Almost surely, 2^13422134334 is an apocalyptic number.

13422134334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13422134334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16037844480).

13422134334 is an abundant number, since it is smaller than the sum of its proper divisors (18653554626).

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

13422134334 is a wasteful number, since it uses less digits than its factorization.

13422134334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27225.

The product of its digits is 20736, while the sum is 30.

Adding to 13422134334 its reverse (43343122431), we get a palindrome (56765256765).

The spelling of 13422134334 in words is "thirteen billion, four hundred twenty-two million, one hundred thirty-four thousand, three hundred thirty-four".