19448134 has 8 divisors (see below), whose sum is σ = 30707640. Its totient is φ = 9212256.

The previous prime is 19448123. The next prime is 19448137. The reversal of 19448134 is 43184491.

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

It is a self number, because there is not a number n which added to its sum of digits gives 19448134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19448137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255859 + ... + 255934.

It is an arithmetic number, because the mean of its divisors is an integer number (3838455).

Almost surely, 2^19448134 is an apocalyptic number.

19448134 is a deficient number, since it is larger than the sum of its proper divisors (11259506).

19448134 is a wasteful number, since it uses less digits than its factorization.

19448134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511814.

The product of its digits is 13824, while the sum is 34.

The square root of 19448134 is about 4410.0038548736. The cubic root of 19448134 is about 268.9217813607.

Subtracting from 19448134 its sum of digits (34), we obtain a square (19448100 = 4410²).

The spelling of 19448134 in words is "nineteen million, four hundred forty-eight thousand, one hundred thirty-four".