159338971 has 18 divisors (see below), whose sum is σ = 178226916. Its totient is φ = 142342200.

The previous prime is 159338969. The next prime is 159338989. The reversal of 159338971 is 179833951.

It is a happy number.

It is not a de Polignac number, because 159338971 - 2¹ = 159338969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159338071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 755056 + ... + 755266.

Almost surely, 2^159338971 is an apocalyptic number.

159338971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159338971 is a deficient number, since it is larger than the sum of its proper divisors (18887945).

159338971 is an equidigital number, since it uses as much as digits as its factorization.

159338971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 301 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 159338971 is about 12622.9541312642. The cubic root of 159338971 is about 542.1348627061.

The spelling of 159338971 in words is "one hundred fifty-nine million, three hundred thirty-eight thousand, nine hundred seventy-one".