159916439 has 2 divisors, whose sum is σ = 159916440. Its totient is φ = 159916438.

The previous prime is 159916409. The next prime is 159916453. The reversal of 159916439 is 934619951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159916439 - 2¹² = 159912343 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 159916393 and 159916402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159916409) 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, 79958219 + 79958220.

It is an arithmetic number, because the mean of its divisors is an integer number (79958220).

Almost surely, 2^159916439 is an apocalyptic number.

159916439 is a deficient number, since it is larger than the sum of its proper divisors (1).

159916439 is an equidigital number, since it uses as much as digits as its factorization.

159916439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 47.

The square root of 159916439 is about 12645.8071707582. The cubic root of 159916439 is about 542.7889987574.

The spelling of 159916439 in words is "one hundred fifty-nine million, nine hundred sixteen thousand, four hundred thirty-nine".