133333933 has 2 divisors, whose sum is σ = 133333934. Its totient is φ = 133333932.

The previous prime is 133333919. The next prime is 133333957. The reversal of 133333933 is 339333331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111450249 + 21883684 = 10557^2 + 4678^2 .

It is a cyclic number.

It is not a de Polignac number, because 133333933 - 2⁵ = 133333901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133333895 and 133333904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133337933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666966 + 66666967.

It is an arithmetic number, because the mean of its divisors is an integer number (66666967).

Almost surely, 2^133333933 is an apocalyptic number.

It is an amenable number.

133333933 is a deficient number, since it is larger than the sum of its proper divisors (1).

133333933 is an equidigital number, since it uses as much as digits as its factorization.

133333933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 31.

The square root of 133333933 is about 11547.0313500917. The cubic root of 133333933 is about 510.8737208116.

The spelling of 133333933 in words is "one hundred thirty-three million, three hundred thirty-three thousand, nine hundred thirty-three".