199414287 has 6 divisors (see below), whose sum is σ = 288042872. Its totient is φ = 132942852.

The previous prime is 199414247. The next prime is 199414331. The reversal of 199414287 is 782414991.

It is a happy number.

It is not a de Polignac number, because 199414287 - 2⁸ = 199414031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199414207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11078563 + ... + 11078580.

Almost surely, 2^199414287 is an apocalyptic number.

199414287 is a deficient number, since it is larger than the sum of its proper divisors (88628585).

199414287 is a wasteful number, since it uses less digits than its factorization.

199414287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22157149 (or 22157146 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 199414287 is about 14121.4123585426. The cubic root of 199414287 is about 584.2321110488.

The spelling of 199414287 in words is "one hundred ninety-nine million, four hundred fourteen thousand, two hundred eighty-seven".