19036142 has 4 divisors (see below), whose sum is σ = 28554216. Its totient is φ = 9518070.

The previous prime is 19036109. The next prime is 19036159. The reversal of 19036142 is 24163091.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4759034 + ... + 4759037.

It is an arithmetic number, because the mean of its divisors is an integer number (7138554).

Almost surely, 2^19036142 is an apocalyptic number.

19036142 is a deficient number, since it is larger than the sum of its proper divisors (9518074).

19036142 is an equidigital number, since it uses as much as digits as its factorization.

19036142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518073.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 19036142 is about 4363.0427456077. The cubic root of 19036142 is about 267.0092530938.

The spelling of 19036142 in words is "nineteen million, thirty-six thousand, one hundred forty-two".