159315239 has 2 divisors, whose sum is σ = 159315240. Its totient is φ = 159315238.

The previous prime is 159315203. The next prime is 159315253. The reversal of 159315239 is 932513951.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (932513951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159315239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159315269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79657619 + 79657620.

It is an arithmetic number, because the mean of its divisors is an integer number (79657620).

Almost surely, 2^159315239 is an apocalyptic number.

159315239 is a deficient number, since it is larger than the sum of its proper divisors (1).

159315239 is an equidigital number, since it uses as much as digits as its factorization.

159315239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 38.

The square root of 159315239 is about 12622.0140627397. The cubic root of 159315239 is about 542.1079461200.

The spelling of 159315239 in words is "one hundred fifty-nine million, three hundred fifteen thousand, two hundred thirty-nine".