16771139 has 16 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 12982560.

The previous prime is 16771133. The next prime is 16771141. The reversal of 16771139 is 93117761.

It is a cyclic number.

It is not a de Polignac number, because 16771139 - 2⁸ = 16770883 is a prime.

It is a super-2 number, since 2×16771139² = 562542206714642, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16771099 and 16771108.

It is not an unprimeable number, because it can be changed into a prime (16771133) 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, 12692 + ... + 13950.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^16771139 is an apocalyptic number.

16771139 is a deficient number, since it is larger than the sum of its proper divisors (4275901).

16771139 is a wasteful number, since it uses less digits than its factorization.

16771139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 7938, while the sum is 35.

The square root of 16771139 is about 4095.2581115236. The cubic root of 16771139 is about 255.9690870469.

The spelling of 16771139 in words is "sixteen million, seven hundred seventy-one thousand, one hundred thirty-nine".