199534319 has 8 divisors (see below), whose sum is σ = 204940032. Its totient is φ = 194163480.

The previous prime is 199534301. The next prime is 199534337. The reversal of 199534319 is 913435991.

It is an interprime number because it is at equal distance from previous prime (199534301) and next prime (199534337).

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 199534319 - 2⁸ = 199534063 is a prime.

It is a super-2 number, since 2×199534319² = 79627888917587522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199534319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199534339) 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, 3092 + ... + 20214.

It is an arithmetic number, because the mean of its divisors is an integer number (25617504).

Almost surely, 2^199534319 is an apocalyptic number.

199534319 is a deficient number, since it is larger than the sum of its proper divisors (5405713).

199534319 is a wasteful number, since it uses less digits than its factorization.

199534319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17437.

The product of its digits is 131220, while the sum is 44.

The square root of 199534319 is about 14125.6617190134. The cubic root of 199534319 is about 584.3493084075.

The spelling of 199534319 in words is "one hundred ninety-nine million, five hundred thirty-four thousand, three hundred nineteen".