190019 has 8 divisors (see below), whose sum is σ = 204240. Its totient is φ = 176256.

The previous prime is 189997. The next prime is 190027. The reversal of 190019 is 910091.

190019 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 190019 - 2¹² = 185923 is a prime.

It is a super-2 number, since 2×190019² = 72214440722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100019) 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, 1319 + ... + 1455.

It is an arithmetic number, because the mean of its divisors is an integer number (25530).

2¹⁹⁰⁰¹⁹ is an apocalyptic number.

190019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

190019 is a deficient number, since it is larger than the sum of its proper divisors (14221).

190019 is a wasteful number, since it uses less digits than its factorization.

190019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 190019 is about 435.9116883039. The cubic root of 190019 is about 57.4908870246.

It can be divided in two parts, 1900 and 19, that multiplied together give a square (36100 = 190²).

The spelling of 190019 in words is "one hundred ninety thousand, nineteen".