133330663 has 2 divisors, whose sum is σ = 133330664. Its totient is φ = 133330662.

The previous prime is 133330651. The next prime is 133330679. The reversal of 133330663 is 366033331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133330663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133330063) 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 as a sum of consecutive naturals, namely, 66665331 + 66665332.

It is an arithmetic number, because the mean of its divisors is an integer number (66665332).

Almost surely, 2^133330663 is an apocalyptic number.

133330663 is a deficient number, since it is larger than the sum of its proper divisors (1).

133330663 is an equidigital number, since it uses as much as digits as its factorization.

133330663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

The square root of 133330663 is about 11546.8897543884. The cubic root of 133330663 is about 510.8695444036.

Adding to 133330663 its reverse (366033331), we get a palindrome (499363994).

The spelling of 133330663 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred sixty-three".