19140292 has 12 divisors (see below), whose sum is σ = 33995920. Its totient is φ = 9427176.

The previous prime is 19140287. The next prime is 19140293. The reversal of 19140292 is 29204191.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19140292.

It is not an unprimeable number, because it can be changed into a prime (19140293) 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, 35442 + ... + 35977.

Almost surely, 2^19140292 is an apocalyptic number.

It is an amenable number.

19140292 is a deficient number, since it is larger than the sum of its proper divisors (14855628).

19140292 is a wasteful number, since it uses less digits than its factorization.

19140292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71490 (or 71488 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19140292 is about 4374.9619426916. The cubic root of 19140292 is about 267.4953188688.

The spelling of 19140292 in words is "nineteen million, one hundred forty thousand, two hundred ninety-two".