133434121422 has 128 divisors (see below), whose sum is σ = 331963038720. Its totient is φ = 34879887360.

The previous prime is 133434121333. The next prime is 133434121427. The reversal of 133434121422 is 224121434331.

It is a super-2 number, since 2×133434121422² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133434121422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133434121427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47841604 + ... + 47844392.

It is an arithmetic number, because the mean of its divisors is an integer number (2593461240).

Almost surely, 2^133434121422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133434121422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165981519360).

133434121422 is an abundant number, since it is smaller than the sum of its proper divisors (198528917298).

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

133434121422 is a wasteful number, since it uses less digits than its factorization.

133434121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its digits is 13824, while the sum is 30.

Adding to 133434121422 its reverse (224121434331), we get a palindrome (357555555753).

The spelling of 133434121422 in words is "one hundred thirty-three billion, four hundred thirty-four million, one hundred twenty-one thousand, four hundred twenty-two".