159312137 has 2 divisors, whose sum is σ = 159312138. Its totient is φ = 159312136.

The previous prime is 159312133. The next prime is 159312157. The reversal of 159312137 is 731213951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116553616 + 42758521 = 10796^2 + 6539^2 .

It is a cyclic number.

It is not a de Polignac number, because 159312137 - 2² = 159312133 is a prime.

It is not a weakly prime, because it can be changed into another prime (159312133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79656068 + 79656069.

It is an arithmetic number, because the mean of its divisors is an integer number (79656069).

Almost surely, 2^159312137 is an apocalyptic number.

It is an amenable number.

159312137 is a deficient number, since it is larger than the sum of its proper divisors (1).

159312137 is an equidigital number, since it uses as much as digits as its factorization.

159312137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 159312137 is about 12621.8911815940. The cubic root of 159312137 is about 542.1044276665.

The spelling of 159312137 in words is "one hundred fifty-nine million, three hundred twelve thousand, one hundred thirty-seven".