190143319 has 4 divisors (see below), whose sum is σ = 192748096. Its totient is φ = 187538544.

The previous prime is 190143311. The next prime is 190143347. The reversal of 190143319 is 913341091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190143319 - 2³ = 190143311 is a prime.

It is a super-2 number, since 2×190143319² = 72308963520671522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190143311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302279 + ... + 1302424.

It is an arithmetic number, because the mean of its divisors is an integer number (48187024).

Almost surely, 2^190143319 is an apocalyptic number.

190143319 is a deficient number, since it is larger than the sum of its proper divisors (2604777).

190143319 is an equidigital number, since it uses as much as digits as its factorization.

190143319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604776.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 190143319 is about 13789.2464986307. The cubic root of 190143319 is about 575.0342200176.

The spelling of 190143319 in words is "one hundred ninety million, one hundred forty-three thousand, three hundred nineteen".