159109 has 4 divisors (see below), whose sum is σ = 160704. Its totient is φ = 157516.

The previous prime is 159097. The next prime is 159113. The reversal of 159109 is 901951.

159109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901951 = 751 ⋅1201.

It is a cyclic number.

It is not a de Polignac number, because 159109 - 2⁷ = 158981 is a prime.

It is a Duffinian number.

159109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2¹⁵⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

159109 is a deficient number, since it is larger than the sum of its proper divisors (1595).

159109 is a wasteful number, since it uses less digits than its factorization.

159109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 159109 is about 398.8846951188. The cubic root of 159109 is about 54.1873919376.

The spelling of 159109 in words is "one hundred fifty-nine thousand, one hundred nine".