199180133 has 2 divisors, whose sum is σ = 199180134. Its totient is φ = 199180132.

The previous prime is 199180127. The next prime is 199180153. The reversal of 199180133 is 331081991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199176769 + 3364 = 14113^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 199180133 - 2⁴ = 199180117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_11035997 and since 199180133 and 11035997 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 199180093 and 199180102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199180103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99590066 + 99590067.

It is an arithmetic number, because the mean of its divisors is an integer number (99590067).

Almost surely, 2^199180133 is an apocalyptic number.

It is an amenable number.

199180133 is a deficient number, since it is larger than the sum of its proper divisors (1).

199180133 is an equidigital number, since it uses as much as digits as its factorization.

199180133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 199180133 is about 14113.1191803938. The cubic root of 199180133 is about 584.0033513366.

The spelling of 199180133 in words is "one hundred ninety-nine million, one hundred eighty thousand, one hundred thirty-three".