16954139 has 2 divisors, whose sum is σ = 16954140. Its totient is φ = 16954138.

The previous prime is 16954127. The next prime is 16954153. The reversal of 16954139 is 93145961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16954139 - 2⁸ = 16953883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16954159) 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, 8477069 + 8477070.

It is an arithmetic number, because the mean of its divisors is an integer number (8477070).

Almost surely, 2^16954139 is an apocalyptic number.

16954139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16954139 is an equidigital number, since it uses as much as digits as its factorization.

16954139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 16954139 is about 4117.5404066020. The cubic root of 16954139 is about 256.8967321179.

The spelling of 16954139 in words is "sixteen million, nine hundred fifty-four thousand, one hundred thirty-nine".