159909387 has 16 divisors (see below), whose sum is σ = 232826880. Its totient is φ = 96818400.

The previous prime is 159909359. The next prime is 159909397. The reversal of 159909387 is 783909951.

It is a happy number.

It is not a de Polignac number, because 159909387 - 2¹⁰ = 159908363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159909397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45462 + ... + 48852.

It is an arithmetic number, because the mean of its divisors is an integer number (14551680).

Almost surely, 2^159909387 is an apocalyptic number.

159909387 is a deficient number, since it is larger than the sum of its proper divisors (72917493).

159909387 is a wasteful number, since it uses less digits than its factorization.

159909387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 159909387 is about 12645.5283400892. The cubic root of 159909387 is about 542.7810199981.

The spelling of 159909387 in words is "one hundred fifty-nine million, nine hundred nine thousand, three hundred eighty-seven".