133422403 has 2 divisors, whose sum is σ = 133422404. Its totient is φ = 133422402.

The previous prime is 133422397. The next prime is 133422413. The reversal of 133422403 is 304224331.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (304224331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133422403 - 2⁵ = 133422371 is a prime.

It is not a weakly prime, because it can be changed into another prime (133422413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66711201 + 66711202.

It is an arithmetic number, because the mean of its divisors is an integer number (66711202).

Almost surely, 2^133422403 is an apocalyptic number.

133422403 is a deficient number, since it is larger than the sum of its proper divisors (1).

133422403 is an equidigital number, since it uses as much as digits as its factorization.

133422403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 133422403 is about 11550.8615695973. The cubic root of 133422403 is about 510.9866878169.

Adding to 133422403 its reverse (304224331), we get a palindrome (437646734).

The spelling of 133422403 in words is "one hundred thirty-three million, four hundred twenty-two thousand, four hundred three".