199313941 has 2 divisors, whose sum is σ = 199313942. Its totient is φ = 199313940.

The previous prime is 199313923. The next prime is 199313953. The reversal of 199313941 is 149313991.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199092100 + 221841 = 14110^2 + 471^2 .

It is an emirp because it is prime and its reverse (149313991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199313941 - 2⁷ = 199313813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199313894 and 199313903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199313921) 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, 99656970 + 99656971.

It is an arithmetic number, because the mean of its divisors is an integer number (99656971).

Almost surely, 2^199313941 is an apocalyptic number.

It is an amenable number.

199313941 is a deficient number, since it is larger than the sum of its proper divisors (1).

199313941 is an equidigital number, since it uses as much as digits as its factorization.

199313941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 40.

The square root of 199313941 is about 14117.8589382385. The cubic root of 199313941 is about 584.1340986938.

The spelling of 199313941 in words is "one hundred ninety-nine million, three hundred thirteen thousand, nine hundred forty-one".