133341221 has 8 divisors (see below), whose sum is σ = 151156320. Its totient is φ = 116605872.

The previous prime is 133341211. The next prime is 133341233. The reversal of 133341221 is 122143331.

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

It is a cyclic number.

It is not a de Polignac number, because 133341221 - 2⁶ = 133341157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133341193 and 133341202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133341211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269675 + ... + 270168.

It is an arithmetic number, because the mean of its divisors is an integer number (18894540).

Almost surely, 2^133341221 is an apocalyptic number.

It is an amenable number.

133341221 is a deficient number, since it is larger than the sum of its proper divisors (17815099).

133341221 is a wasteful number, since it uses less digits than its factorization.

133341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539875.

The product of its digits is 432, while the sum is 20.

The square root of 133341221 is about 11547.3469247269. The cubic root of 133341221 is about 510.8830287193.

Adding to 133341221 its reverse (122143331), we get a palindrome (255484552).

The spelling of 133341221 in words is "one hundred thirty-three million, three hundred forty-one thousand, two hundred twenty-one".