16833139 has 4 divisors (see below), whose sum is σ = 16866720. Its totient is φ = 16799560.

The previous prime is 16833121. The next prime is 16833161. The reversal of 16833139 is 93133861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93133861 = 547 ⋅170263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16833139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16833109) 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 3 ways as a sum of consecutive naturals, for example, 16027 + ... + 17044.

It is an arithmetic number, because the mean of its divisors is an integer number (4216680).

Almost surely, 2^16833139 is an apocalyptic number.

16833139 is a deficient number, since it is larger than the sum of its proper divisors (33581).

16833139 is an equidigital number, since it uses as much as digits as its factorization.

16833139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33580.

The product of its digits is 11664, while the sum is 34.

The square root of 16833139 is about 4102.8208588726. The cubic root of 16833139 is about 256.2841236334.

The spelling of 16833139 in words is "sixteen million, eight hundred thirty-three thousand, one hundred thirty-nine".