159938263 has 2 divisors, whose sum is σ = 159938264. Its totient is φ = 159938262.

The previous prime is 159938237. The next prime is 159938267. The reversal of 159938263 is 362839951.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (362839951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159938263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159938267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79969131 + 79969132.

It is an arithmetic number, because the mean of its divisors is an integer number (79969132).

Almost surely, 2^159938263 is an apocalyptic number.

159938263 is a deficient number, since it is larger than the sum of its proper divisors (1).

159938263 is an equidigital number, since it uses as much as digits as its factorization.

159938263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 159938263 is about 12646.6700360213. The cubic root of 159938263 is about 542.8136893361.

The spelling of 159938263 in words is "one hundred fifty-nine million, nine hundred thirty-eight thousand, two hundred sixty-three".