159559137 has 6 divisors (see below), whose sum is σ = 230474322. Its totient is φ = 106372752.

The previous prime is 159559129. The next prime is 159559151. The reversal of 159559137 is 731955951.

159559137 is a `hidden beast` number, since 1 + 59 + 5 + 591 + 3 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150773841 + 8785296 = 12279^2 + 2964^2 .

It is not a de Polignac number, because 159559137 - 2³ = 159559129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159559092 and 159559101.

It is not an unprimeable number, because it can be changed into a prime (159559157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8864388 + ... + 8864405.

It is an arithmetic number, because the mean of its divisors is an integer number (38412387).

Almost surely, 2^159559137 is an apocalyptic number.

It is an amenable number.

159559137 is a deficient number, since it is larger than the sum of its proper divisors (70915185).

159559137 is a wasteful number, since it uses less digits than its factorization.

159559137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17728799 (or 17728796 counting only the distinct ones).

The product of its digits is 212625, while the sum is 45.

The square root of 159559137 is about 12631.6719795916. The cubic root of 159559137 is about 542.3844453634.

The spelling of 159559137 in words is "one hundred fifty-nine million, five hundred fifty-nine thousand, one hundred thirty-seven".