133002403 has 2 divisors, whose sum is σ = 133002404. Its totient is φ = 133002402.

The previous prime is 133002377. The next prime is 133002409. The reversal of 133002403 is 304200331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133002403 - 2¹⁷ = 132871331 is a prime.

It is not a weakly prime, because it can be changed into another prime (133002409) 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, 66501201 + 66501202.

It is an arithmetic number, because the mean of its divisors is an integer number (66501202).

Almost surely, 2^133002403 is an apocalyptic number.

133002403 is a deficient number, since it is larger than the sum of its proper divisors (1).

133002403 is an equidigital number, since it uses as much as digits as its factorization.

133002403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 133002403 is about 11532.6667774631. Note that the first 3 decimals coincide. The cubic root of 133002403 is about 510.4499463767.

Adding to 133002403 its reverse (304200331), we get a palindrome (437202734).

The spelling of 133002403 in words is "one hundred thirty-three million, two thousand, four hundred three".