133421422 has 8 divisors (see below), whose sum is σ = 200188872. Its totient is φ = 66691800.

The previous prime is 133421383. The next prime is 133421437. The reversal of 133421422 is 224124331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133421393 and 133421402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2272 + ... + 16492.

It is an arithmetic number, because the mean of its divisors is an integer number (25023609).

Almost surely, 2^133421422 is an apocalyptic number.

133421422 is a deficient number, since it is larger than the sum of its proper divisors (66767450).

133421422 is a wasteful number, since it uses less digits than its factorization.

133421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914.

The product of its digits is 1152, while the sum is 22.

The square root of 133421422 is about 11550.8191051544. The cubic root of 133421422 is about 510.9854354556.

Adding to 133421422 its reverse (224124331), we get a palindrome (357545753).

The spelling of 133421422 in words is "one hundred thirty-three million, four hundred twenty-one thousand, four hundred twenty-two".