16140304 has 20 divisors (see below), whose sum is σ = 31404240. Its totient is φ = 8036000.

The previous prime is 16140287. The next prime is 16140307. The reversal of 16140304 is 40304161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16140307) 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, 2007 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (1570212).

Almost surely, 2^16140304 is an apocalyptic number.

It is an amenable number.

16140304 is a deficient number, since it is larger than the sum of its proper divisors (15263936).

16140304 is a wasteful number, since it uses less digits than its factorization.

16140304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16140304 is about 4017.4997199751. The cubic root of 16140304 is about 252.7186173170.

Adding to 16140304 its reverse (40304161), we get a palindrome (56444465).

The spelling of 16140304 in words is "sixteen million, one hundred forty thousand, three hundred four".