199439150 has 12 divisors (see below), whose sum is σ = 370956912. Its totient is φ = 79775640.

The previous prime is 199439131. The next prime is 199439161. The reversal of 199439150 is 51934991.

199439150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199439098 and 199439107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994342 + ... + 1994441.

It is an arithmetic number, because the mean of its divisors is an integer number (30913076).

Almost surely, 2^199439150 is an apocalyptic number.

199439150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199439150 is a deficient number, since it is larger than the sum of its proper divisors (171517762).

199439150 is a wasteful number, since it uses less digits than its factorization.

199439150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988795 (or 3988790 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 199439150 is about 14122.2926608961. The cubic root of 199439150 is about 584.2563907523.

The spelling of 199439150 in words is "one hundred ninety-nine million, four hundred thirty-nine thousand, one hundred fifty".