16439141 has 2 divisors, whose sum is σ = 16439142. Its totient is φ = 16439140.

The previous prime is 16439117. The next prime is 16439147. The reversal of 16439141 is 14193461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 4225 = 4054^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 16439141 - 2⁶ = 16439077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16439147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8219570 + 8219571.

It is an arithmetic number, because the mean of its divisors is an integer number (8219571).

Almost surely, 2^16439141 is an apocalyptic number.

It is an amenable number.

16439141 is a deficient number, since it is larger than the sum of its proper divisors (1).

16439141 is an equidigital number, since it uses as much as digits as its factorization.

16439141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 16439141 is about 4054.5210567957. The cubic root of 16439141 is about 254.2687805167.

The spelling of 16439141 in words is "sixteen million, four hundred thirty-nine thousand, one hundred forty-one".