133003343 has 8 divisors (see below), whose sum is σ = 148469376. Its totient is φ = 118099800.

The previous prime is 133003333. The next prime is 133003349. The reversal of 133003343 is 343300331.

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 133003343 - 2⁴ = 133003327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140123 + ... + 141068.

It is an arithmetic number, because the mean of its divisors is an integer number (18558672).

Almost surely, 2^133003343 is an apocalyptic number.

133003343 is a deficient number, since it is larger than the sum of its proper divisors (15466033).

133003343 is a wasteful number, since it uses less digits than its factorization.

133003343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281245.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 133003343 is about 11532.7075311915. The cubic root of 133003343 is about 510.4511489159.

Adding to 133003343 its reverse (343300331), we get a palindrome (476303674).

The spelling of 133003343 in words is "one hundred thirty-three million, three thousand, three hundred forty-three".