16824139 has 6 divisors (see below), whose sum is σ = 17728460. Its totient is φ = 15921720.

The previous prime is 16824121. The next prime is 16824151. The reversal of 16824139 is 93142861.

It is not a de Polignac number, because 16824139 - 2¹³ = 16815947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16824179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17409 + ... + 18349.

Almost surely, 2^16824139 is an apocalyptic number.

16824139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16824139 is a deficient number, since it is larger than the sum of its proper divisors (904321).

16824139 is an frugal number, since it uses more digits than its factorization.

16824139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 960 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 16824139 is about 4101.7239058718. The cubic root of 16824139 is about 256.2384405652.

The spelling of 16824139 in words is "sixteen million, eight hundred twenty-four thousand, one hundred thirty-nine".