199134443 has 2 divisors, whose sum is σ = 199134444. Its totient is φ = 199134442.

The previous prime is 199134427. The next prime is 199134449. The reversal of 199134443 is 344431991.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (344431991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199134443 - 2⁴ = 199134427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199134397 and 199134406.

It is not a weakly prime, because it can be changed into another prime (199134449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99567221 + 99567222.

It is an arithmetic number, because the mean of its divisors is an integer number (99567222).

Almost surely, 2^199134443 is an apocalyptic number.

199134443 is a deficient number, since it is larger than the sum of its proper divisors (1).

199134443 is an equidigital number, since it uses as much as digits as its factorization.

199134443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 199134443 is about 14111.5003808950. The cubic root of 199134443 is about 583.9586930110.

The spelling of 199134443 in words is "one hundred ninety-nine million, one hundred thirty-four thousand, four hundred forty-three".