199771334 has 24 divisors (see below), whose sum is σ = 352049328. Its totient is φ = 84764400.

The previous prime is 199771331. The next prime is 199771337. The reversal of 199771334 is 433177991.

It is an interprime number because it is at equal distance from previous prime (199771331) and next prime (199771337).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199771331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194 + ... + 19989.

It is an arithmetic number, because the mean of its divisors is an integer number (14668722).

Almost surely, 2^199771334 is an apocalyptic number.

199771334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199771334 is a deficient number, since it is larger than the sum of its proper divisors (152277994).

199771334 is a wasteful number, since it uses less digits than its factorization.

199771334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20300 (or 20293 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 199771334 is about 14134.0487476165. The cubic root of 199771334 is about 584.5805881688.

The spelling of 199771334 in words is "one hundred ninety-nine million, seven hundred seventy-one thousand, three hundred thirty-four".