19189134 has 12 divisors (see below), whose sum is σ = 41576496. Its totient is φ = 6396372.

The previous prime is 19189133. The next prime is 19189139. The reversal of 19189134 is 43198191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19189133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533014 + ... + 533049.

It is an arithmetic number, because the mean of its divisors is an integer number (3464708).

Almost surely, 2^19189134 is an apocalyptic number.

19189134 is an abundant number, since it is smaller than the sum of its proper divisors (22387362).

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

19189134 is a wasteful number, since it uses less digits than its factorization.

19189134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066071 (or 1066068 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 19189134 is about 4380.5403776247. The cubic root of 19189134 is about 267.7226562059.

The spelling of 19189134 in words is "nineteen million, one hundred eighty-nine thousand, one hundred thirty-four".