159539427 has 6 divisors (see below), whose sum is σ = 230445852. Its totient is φ = 106359612.

The previous prime is 159539399. The next prime is 159539437. The reversal of 159539427 is 724935951.

It is a happy number.

159539427 is a `hidden beast` number, since 1 + 595 + 39 + 4 + 27 = 666.

It is not a de Polignac number, because 159539427 - 2¹⁰ = 159538403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159539437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8863293 + ... + 8863310.

It is an arithmetic number, because the mean of its divisors is an integer number (38407642).

Almost surely, 2^159539427 is an apocalyptic number.

159539427 is a deficient number, since it is larger than the sum of its proper divisors (70906425).

159539427 is a wasteful number, since it uses less digits than its factorization.

159539427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17726609 (or 17726606 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 159539427 is about 12630.8917737427. The cubic root of 159539427 is about 542.3621112458.

The spelling of 159539427 in words is "one hundred fifty-nine million, five hundred thirty-nine thousand, four hundred twenty-seven".