16429139 has 4 divisors (see below), whose sum is σ = 16811256. Its totient is φ = 16047024.

The previous prime is 16429117. The next prime is 16429141. The reversal of 16429139 is 93192461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16429139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16429099 and 16429108.

It is not an unprimeable number, because it can be changed into a prime (16429169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190994 + ... + 191079.

It is an arithmetic number, because the mean of its divisors is an integer number (4202814).

Almost surely, 2^16429139 is an apocalyptic number.

16429139 is a deficient number, since it is larger than the sum of its proper divisors (382117).

16429139 is an equidigital number, since it uses as much as digits as its factorization.

16429139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382116.

The product of its digits is 11664, while the sum is 35.

The square root of 16429139 is about 4053.2874312094. The cubic root of 16429139 is about 254.2172021465.

The spelling of 16429139 in words is "sixteen million, four hundred twenty-nine thousand, one hundred thirty-nine".