16894139 has 2 divisors, whose sum is σ = 16894140. Its totient is φ = 16894138.

The previous prime is 16894127. The next prime is 16894151. The reversal of 16894139 is 93149861.

It is a balanced prime because it is at equal distance from previous prime (16894127) and next prime (16894151).

It is a cyclic number.

It is not a de Polignac number, because 16894139 - 2²⁴ = 116923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16894096 and 16894105.

It is not a weakly prime, because it can be changed into another prime (16894109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8447069 + 8447070.

It is an arithmetic number, because the mean of its divisors is an integer number (8447070).

Almost surely, 2^16894139 is an apocalyptic number.

16894139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16894139 is an equidigital number, since it uses as much as digits as its factorization.

16894139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 16894139 is about 4110.2480460430. The cubic root of 16894139 is about 256.5933249341.

The spelling of 16894139 in words is "sixteen million, eight hundred ninety-four thousand, one hundred thirty-nine".