199113 has 8 divisors (see below), whose sum is σ = 274176. Its totient is φ = 128400.

The previous prime is 199109. The next prime is 199151. The reversal of 199113 is 311991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199113 - 2² = 199109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2¹⁹⁹¹¹³ is an apocalyptic number.

It is an amenable number.

199113 is a deficient number, since it is larger than the sum of its proper divisors (75063).

199113 is a wasteful number, since it uses less digits than its factorization.

199113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175.

The product of its digits is 243, while the sum is 24.

The square root of 199113 is about 446.2207973638. The cubic root of 199113 is about 58.3937731836.

The spelling of 199113 in words is "one hundred ninety-nine thousand, one hundred thirteen".