16354139 has 2 divisors, whose sum is σ = 16354140. Its totient is φ = 16354138.

The previous prime is 16354123. The next prime is 16354141. The reversal of 16354139 is 93145361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16354139 - 2⁴ = 16354123 is a prime.

Together with 16354141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16354109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177069 + 8177070.

It is an arithmetic number, because the mean of its divisors is an integer number (8177070).

Almost surely, 2^16354139 is an apocalyptic number.

16354139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16354139 is an equidigital number, since it uses as much as digits as its factorization.

16354139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 16354139 is about 4044.0250988341. The cubic root of 16354139 is about 253.8297731018.

The spelling of 16354139 in words is "sixteen million, three hundred fifty-four thousand, one hundred thirty-nine".