133533343 has 8 divisors (see below), whose sum is σ = 137005200. Its totient is φ = 130101888.

The previous prime is 133533307. The next prime is 133533347. The reversal of 133533343 is 343335331.

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 133533343 - 2¹⁷ = 133402271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133533347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3348 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (17125650).

Almost surely, 2^133533343 is an apocalyptic number.

133533343 is a deficient number, since it is larger than the sum of its proper divisors (3471857).

133533343 is a wasteful number, since it uses less digits than its factorization.

133533343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201.

The product of its digits is 14580, while the sum is 28.

The square root of 133533343 is about 11555.6628109339. The cubic root of 133533343 is about 511.1282761284.

Adding to 133533343 its reverse (343335331), we get a palindrome (476868674).

The spelling of 133533343 in words is "one hundred thirty-three million, five hundred thirty-three thousand, three hundred forty-three".