16594139 has 4 divisors (see below), whose sum is σ = 16780680. Its totient is φ = 16407600.

The previous prime is 16594129. The next prime is 16594147. The reversal of 16594139 is 93149561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93149561 = 1097 ⋅84913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16594139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16594129) 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, 93137 + ... + 93314.

It is an arithmetic number, because the mean of its divisors is an integer number (4195170).

Almost surely, 2^16594139 is an apocalyptic number.

16594139 is a deficient number, since it is larger than the sum of its proper divisors (186541).

16594139 is an equidigital number, since it uses as much as digits as its factorization.

16594139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186540.

The product of its digits is 29160, while the sum is 38.

The square root of 16594139 is about 4073.5904310571. The cubic root of 16594139 is about 255.0654144624.

The spelling of 16594139 in words is "sixteen million, five hundred ninety-four thousand, one hundred thirty-nine".