19013234 has 8 divisors (see below), whose sum is σ = 28549740. Its totient is φ = 9496656.

The previous prime is 19013233. The next prime is 19013237. The reversal of 19013234 is 43231091.

It can be written as a sum of positive squares in 2 ways, for example, as 18105025 + 908209 = 4255^2 + 953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19013233) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2309 + ... + 6584.

Almost surely, 2^19013234 is an apocalyptic number.

19013234 is a deficient number, since it is larger than the sum of its proper divisors (9536506).

19013234 is a wasteful number, since it uses less digits than its factorization.

19013234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 19013234 is about 4360.4167232043. The cubic root of 19013234 is about 266.9021042259.

The spelling of 19013234 in words is "nineteen million, thirteen thousand, two hundred thirty-four".