19239134 has 12 divisors (see below), whose sum is σ = 30458664. Its totient is φ = 9112932.

The previous prime is 19239131. The next prime is 19239137. The reversal of 19239134 is 43193291.

It is an interprime number because it is at equal distance from previous prime (19239131) and next prime (19239137).

It is a self number, because there is not a number n which added to its sum of digits gives 19239134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19239131) 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, 12602 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (2538222).

Almost surely, 2^19239134 is an apocalyptic number.

19239134 is a deficient number, since it is larger than the sum of its proper divisors (11219530).

19239134 is a wasteful number, since it uses less digits than its factorization.

19239134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26687 (or 26668 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 19239134 is about 4386.2437232785. The cubic root of 19239134 is about 267.9549842711.

The spelling of 19239134 in words is "nineteen million, two hundred thirty-nine thousand, one hundred thirty-four".