19285134 has 32 divisors (see below), whose sum is σ = 42978816. Its totient is φ = 5718720.

The previous prime is 19285073. The next prime is 19285151. The reversal of 19285134 is 43158291.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 19285095 and 19285104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (1343088).

Almost surely, 2^19285134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19285134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21489408).

19285134 is an abundant number, since it is smaller than the sum of its proper divisors (23693682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19285134 is a wasteful number, since it uses less digits than its factorization.

19285134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280.

The product of its digits is 8640, while the sum is 33.

The square root of 19285134 is about 4391.4842593365. The cubic root of 19285134 is about 268.1683708456.

The spelling of 19285134 in words is "nineteen million, two hundred eighty-five thousand, one hundred thirty-four".