133158019 has 2 divisors, whose sum is σ = 133158020. Its totient is φ = 133158018.

The previous prime is 133158001. The next prime is 133158031. The reversal of 133158019 is 910851331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133158019 - 2⁵ = 133157987 is a prime.

It is a super-2 number, since 2×133158019² = 35462116048008722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133158049) 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, 66579009 + 66579010.

It is an arithmetic number, because the mean of its divisors is an integer number (66579010).

Almost surely, 2^133158019 is an apocalyptic number.

133158019 is a deficient number, since it is larger than the sum of its proper divisors (1).

133158019 is an equidigital number, since it uses as much as digits as its factorization.

133158019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 133158019 is about 11539.4115534545. The cubic root of 133158019 is about 510.6489483426.

The spelling of 133158019 in words is "one hundred thirty-three million, one hundred fifty-eight thousand, nineteen".