16138047 has 8 divisors (see below), whose sum is σ = 21567744. Its totient is φ = 10733528.

The previous prime is 16138027. The next prime is 16138097. The reversal of 16138047 is 74083161.

It is a happy number.

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 16138047 - 2⁶ = 16137983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138027) 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, 4743 + ... + 7400.

It is an arithmetic number, because the mean of its divisors is an integer number (2695968).

Almost surely, 2^16138047 is an apocalyptic number.

16138047 is a deficient number, since it is larger than the sum of its proper divisors (5429697).

16138047 is a wasteful number, since it uses less digits than its factorization.

16138047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 16138047 is about 4017.2188140553. The cubic root of 16138047 is about 252.7068370245.

The spelling of 16138047 in words is "sixteen million, one hundred thirty-eight thousand, forty-seven".