199137 has 8 divisors (see below), whose sum is σ = 272160. Its totient is φ = 129440.

The previous prime is 199109. The next prime is 199151. The reversal of 199137 is 731991.

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

It is a cyclic number.

It is not a de Polignac number, because 199137 - 2¹¹ = 197089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199037) 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, 687 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2¹⁹⁹¹³⁷ is an apocalyptic number.

It is an amenable number.

199137 is a deficient number, since it is larger than the sum of its proper divisors (73023).

199137 is a wasteful number, since it uses less digits than its factorization.

199137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 1701, while the sum is 30.

The square root of 199137 is about 446.2476890696. The cubic root of 199137 is about 58.3961192455.

The spelling of 199137 in words is "one hundred ninety-nine thousand, one hundred thirty-seven".