133421234 has 8 divisors (see below), whose sum is σ = 200234268. Its totient is φ = 66676480.

The previous prime is 133421227. The next prime is 133421251. The reversal of 133421234 is 432124331.

It can be written as a sum of positive squares in 2 ways, for example, as 121066009 + 12355225 = 11003^2 + 3515^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11867 + ... + 20190.

Almost surely, 2^133421234 is an apocalyptic number.

133421234 is a deficient number, since it is larger than the sum of its proper divisors (66813034).

133421234 is a wasteful number, since it uses less digits than its factorization.

133421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34140.

The product of its digits is 1728, while the sum is 23.

The square root of 133421234 is about 11550.8109672005. The cubic root of 133421234 is about 510.9851954509.

Adding to 133421234 its reverse (432124331), we get a palindrome (565545565).

The spelling of 133421234 in words is "one hundred thirty-three million, four hundred twenty-one thousand, two hundred thirty-four".