133421113 has 8 divisors (see below), whose sum is σ = 152619840. Its totient is φ = 114257040.

The previous prime is 133421111. The next prime is 133421147. The reversal of 133421113 is 311124331.

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 133421113 - 2¹ = 133421111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133421111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 198 + ... + 16336.

It is an arithmetic number, because the mean of its divisors is an integer number (19077480).

Almost surely, 2^133421113 is an apocalyptic number.

It is an amenable number.

133421113 is a deficient number, since it is larger than the sum of its proper divisors (19198727).

133421113 is a wasteful number, since it uses less digits than its factorization.

133421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327.

The product of its digits is 216, while the sum is 19.

The square root of 133421113 is about 11550.8057294719. The cubic root of 133421113 is about 510.9850409797.

Adding to 133421113 its reverse (311124331), we get a palindrome (444545444).

The spelling of 133421113 in words is "one hundred thirty-three million, four hundred twenty-one thousand, one hundred thirteen".