133668803 has 2 divisors, whose sum is σ = 133668804. Its totient is φ = 133668802.

The previous prime is 133668797. The next prime is 133668823. The reversal of 133668803 is 308866331.

It is a weak prime.

It is an emirp because it is prime and its reverse (308866331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133668803 - 2²⁰ = 132620227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133668823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66834401 + 66834402.

It is an arithmetic number, because the mean of its divisors is an integer number (66834402).

Almost surely, 2^133668803 is an apocalyptic number.

133668803 is a deficient number, since it is larger than the sum of its proper divisors (1).

133668803 is an equidigital number, since it uses as much as digits as its factorization.

133668803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 133668803 is about 11561.5225208447. The cubic root of 133668803 is about 511.3010520453.

The spelling of 133668803 in words is "one hundred thirty-three million, six hundred sixty-eight thousand, eight hundred three".