19142193 has 24 divisors (see below), whose sum is σ = 29992032. Its totient is φ = 10827264.

The previous prime is 19142191. The next prime is 19142197. The reversal of 19142193 is 39124191.

It is not a de Polignac number, because 19142193 - 2¹ = 19142191 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19142193.

It is not an unprimeable number, because it can be changed into a prime (19142191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15121 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 2^19142193 is an apocalyptic number.

It is an amenable number.

19142193 is a deficient number, since it is larger than the sum of its proper divisors (10849839).

19142193 is a wasteful number, since it uses less digits than its factorization.

19142193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1334 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 19142193 is about 4375.1791963301. The cubic root of 19142193 is about 267.5041743897.

The spelling of 19142193 in words is "nineteen million, one hundred forty-two thousand, one hundred ninety-three".