133268383 has 2 divisors, whose sum is σ = 133268384. Its totient is φ = 133268382.

The previous prime is 133268381. The next prime is 133268407. The reversal of 133268383 is 383862331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133268383 - 2¹ = 133268381 is a prime.

Together with 133268381, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133268381) 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, 66634191 + 66634192.

It is an arithmetic number, because the mean of its divisors is an integer number (66634192).

Almost surely, 2^133268383 is an apocalyptic number.

133268383 is a deficient number, since it is larger than the sum of its proper divisors (1).

133268383 is an equidigital number, since it uses as much as digits as its factorization.

133268383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 133268383 is about 11544.1926092733. The cubic root of 133268383 is about 510.7899880340.

The spelling of 133268383 in words is "one hundred thirty-three million, two hundred sixty-eight thousand, three hundred eighty-three".