199135 has 4 divisors (see below), whose sum is σ = 238968. Its totient is φ = 159304.

The previous prime is 199109. The next prime is 199151. The reversal of 199135 is 531991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199135 - 2⁵ = 199103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19909 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (59742).

2¹⁹⁹¹³⁵ is an apocalyptic number.

199135 is a deficient number, since it is larger than the sum of its proper divisors (39833).

199135 is an equidigital number, since it uses as much as digits as its factorization.

199135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39832.

The product of its digits is 1215, while the sum is 28.

The square root of 199135 is about 446.2454481561. The cubic root of 199135 is about 58.3959237475.

The spelling of 199135 in words is "one hundred ninety-nine thousand, one hundred thirty-five".