133424213 has 8 divisors (see below), whose sum is σ = 151250400. Its totient is φ = 116678448.

The previous prime is 133424201. The next prime is 133424231. The reversal of 133424213 is 312424331.

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 133424213 - 2⁴ = 133424197 is a prime.

It is a super-2 number, since 2×133424213² = 35604041229338738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133424813) 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, 269843 + ... + 270336.

It is an arithmetic number, because the mean of its divisors is an integer number (18906300).

Almost surely, 2^133424213 is an apocalyptic number.

133424213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133424213 is a deficient number, since it is larger than the sum of its proper divisors (17826187).

133424213 is a wasteful number, since it uses less digits than its factorization.

133424213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540211.

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

The square root of 133424213 is about 11550.9399184655. The cubic root of 133424213 is about 510.9889984777.

Adding to 133424213 its reverse (312424331), we get a palindrome (445848544).

The spelling of 133424213 in words is "one hundred thirty-three million, four hundred twenty-four thousand, two hundred thirteen".