16032139 has 8 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 15017856.

The previous prime is 16032113. The next prime is 16032169. The reversal of 16032139 is 93123061.

16032139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16032139 - 2⁹ = 16031627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16032169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^16032139 is an apocalyptic number.

16032139 is a deficient number, since it is larger than the sum of its proper divisors (1023221).

16032139 is a wasteful number, since it uses less digits than its factorization.

16032139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 16032139 is about 4004.0153596109. The cubic root of 16032139 is about 252.1528163144.

The spelling of 16032139 in words is "sixteen million, thirty-two thousand, one hundred thirty-nine".