16045139 has 8 divisors (see below), whose sum is σ = 18425280. Its totient is φ = 13818600.

The previous prime is 16045129. The next prime is 16045147. The reversal of 16045139 is 93154061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16045139 - 2⁴ = 16045123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16045129) 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 7 ways as a sum of consecutive naturals, for example, 38177 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (2303160).

Almost surely, 2^16045139 is an apocalyptic number.

16045139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16045139 is a deficient number, since it is larger than the sum of its proper divisors (2380141).

16045139 is a wasteful number, since it uses less digits than its factorization.

16045139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76801.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16045139 is about 4005.6384010542. The cubic root of 16045139 is about 252.2209523879.

The spelling of 16045139 in words is "sixteen million, forty-five thousand, one hundred thirty-nine".