16139802 has 32 divisors (see below), whose sum is σ = 37062144. Its totient is φ = 4590000.

The previous prime is 16139777. The next prime is 16139803. The reversal of 16139802 is 20893161.

16139802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16139802.

It is not an unprimeable number, because it can be changed into a prime (16139803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9777 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (1158192).

Almost surely, 2^16139802 is an apocalyptic number.

16139802 is an abundant number, since it is smaller than the sum of its proper divisors (20922342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16139802 is a wasteful number, since it uses less digits than its factorization.

16139802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 16139802 is about 4017.4372428204. The cubic root of 16139802 is about 252.7159972494.

The spelling of 16139802 in words is "sixteen million, one hundred thirty-nine thousand, eight hundred two".