159136849 has 2 divisors, whose sum is σ = 159136850. Its totient is φ = 159136848.

The previous prime is 159136841. The next prime is 159136897. The reversal of 159136849 is 948631951.

159136849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139996224 + 19140625 = 11832^2 + 4375^2 .

It is an emirp because it is prime and its reverse (948631951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159136849 - 2³ = 159136841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159136799 and 159136808.

It is not a weakly prime, because it can be changed into another prime (159136841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79568424 + 79568425.

It is an arithmetic number, because the mean of its divisors is an integer number (79568425).

Almost surely, 2^159136849 is an apocalyptic number.

It is an amenable number.

159136849 is a deficient number, since it is larger than the sum of its proper divisors (1).

159136849 is an equidigital number, since it uses as much as digits as its factorization.

159136849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 159136849 is about 12614.9454616340. The cubic root of 159136849 is about 541.9055324345.

The spelling of 159136849 in words is "one hundred fifty-nine million, one hundred thirty-six thousand, eight hundred forty-nine".