19026142 has 4 divisors (see below), whose sum is σ = 28539216. Its totient is φ = 9513070.

The previous prime is 19026131. The next prime is 19026169. The reversal of 19026142 is 24162091.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4756534 + ... + 4756537.

It is an arithmetic number, because the mean of its divisors is an integer number (7134804).

Almost surely, 2^19026142 is an apocalyptic number.

19026142 is a deficient number, since it is larger than the sum of its proper divisors (9513074).

19026142 is an equidigital number, since it uses as much as digits as its factorization.

19026142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513073.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 19026142 is about 4361.8966058356. The cubic root of 19026142 is about 266.9624901133.

The spelling of 19026142 in words is "nineteen million, twenty-six thousand, one hundred forty-two".