133041143 has 2 divisors, whose sum is σ = 133041144. Its totient is φ = 133041142.

The previous prime is 133041137. The next prime is 133041157. The reversal of 133041143 is 341140331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133041143 - 2⁴ = 133041127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133041193) 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, 66520571 + 66520572.

It is an arithmetic number, because the mean of its divisors is an integer number (66520572).

Almost surely, 2^133041143 is an apocalyptic number.

133041143 is a deficient number, since it is larger than the sum of its proper divisors (1).

133041143 is an equidigital number, since it uses as much as digits as its factorization.

133041143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133041143 is about 11534.3462320151. The cubic root of 133041143 is about 510.4995016500.

Adding to 133041143 its reverse (341140331), we get a palindrome (474181474).

The spelling of 133041143 in words is "one hundred thirty-three million, forty-one thousand, one hundred forty-three".