133203139 has 2 divisors, whose sum is σ = 133203140. Its totient is φ = 133203138.

The previous prime is 133203113. The next prime is 133203163. The reversal of 133203139 is 931302331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133203139 - 2⁵ = 133203107 is a prime.

It is not a weakly prime, because it can be changed into another prime (133203439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601569 + 66601570.

It is an arithmetic number, because the mean of its divisors is an integer number (66601570).

Almost surely, 2^133203139 is an apocalyptic number.

133203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

133203139 is an equidigital number, since it uses as much as digits as its factorization.

133203139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 133203139 is about 11541.3664269011. The cubic root of 133203139 is about 510.7066188678.

The spelling of 133203139 in words is "one hundred thirty-three million, two hundred three thousand, one hundred thirty-nine".