134422442320 has 80 divisors (see below), whose sum is σ = 318749152320. Its totient is φ = 52704668672.

The previous prime is 134422442311. The next prime is 134422442321. The reversal of 134422442320 is 23244224431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134422442321) 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, 1596804 + ... + 1678876.

It is an arithmetic number, because the mean of its divisors is an integer number (3984364404).

Almost surely, 2^134422442320 is an apocalyptic number.

134422442320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134422442320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159374576160).

134422442320 is an abundant number, since it is smaller than the sum of its proper divisors (184326710000).

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

134422442320 is a wasteful number, since it uses less digits than its factorization.

134422442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82492 (or 82486 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 134422442320 its reverse (23244224431), we get a palindrome (157666666751).

The spelling of 134422442320 in words is "one hundred thirty-four billion, four hundred twenty-two million, four hundred forty-two thousand, three hundred twenty".