133233349 has 2 divisors, whose sum is σ = 133233350. Its totient is φ = 133233348.

The previous prime is 133233329. The next prime is 133233379. The reversal of 133233349 is 943332331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 11682724 = 11025^2 + 3418^2 .

It is an emirp because it is prime and its reverse (943332331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133233349 - 2¹⁵ = 133200581 is a prime.

It is a super-2 number, since 2×133233349² = 35502250571511602, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133233349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133233329) 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 as a sum of consecutive naturals, namely, 66616674 + 66616675.

It is an arithmetic number, because the mean of its divisors is an integer number (66616675).

Almost surely, 2^133233349 is an apocalyptic number.

It is an amenable number.

133233349 is a deficient number, since it is larger than the sum of its proper divisors (1).

133233349 is an equidigital number, since it uses as much as digits as its factorization.

133233349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 31.

The square root of 133233349 is about 11542.6751232113. The cubic root of 133233349 is about 510.7452247666.

The spelling of 133233349 in words is "one hundred thirty-three million, two hundred thirty-three thousand, three hundred forty-nine".