199318147 has 8 divisors (see below), whose sum is σ = 230048352. Its totient is φ = 169152000.

The previous prime is 199318139. The next prime is 199318157. The reversal of 199318147 is 741813991.

199318147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 199318147 - 2³ = 199318139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199318157) 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, 140254 + ... + 141667.

It is an arithmetic number, because the mean of its divisors is an integer number (28756044).

Almost surely, 2^199318147 is an apocalyptic number.

199318147 is a deficient number, since it is larger than the sum of its proper divisors (30730205).

199318147 is a wasteful number, since it uses less digits than its factorization.

199318147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282029.

The product of its digits is 54432, while the sum is 43.

The square root of 199318147 is about 14118.0078977170. The cubic root of 199318147 is about 584.1382075396.

The spelling of 199318147 in words is "one hundred ninety-nine million, three hundred eighteen thousand, one hundred forty-seven".