159739417 has 6 divisors (see below), whose sum is σ = 163212698. Its totient is φ = 156338544.

The previous prime is 159739387. The next prime is 159739423. The reversal of 159739417 is 714937951.

It can be written as a sum of positive squares in only one way, i.e., 157477401 + 2262016 = 12549^2 + 1504^2 .

It is not a de Polignac number, because 159739417 - 2¹⁹ = 159215129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159739717) 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, 33948 + ... + 38365.

Almost surely, 2^159739417 is an apocalyptic number.

It is an amenable number.

159739417 is a deficient number, since it is larger than the sum of its proper divisors (3473281).

159739417 is an frugal number, since it uses more digits than its factorization.

159739417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72407 (or 72360 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 159739417 is about 12638.8059958210. The cubic root of 159739417 is about 542.5886418897.

It can be divided in two parts, 1597 and 39417, that added together give a palindrome (41014).

The spelling of 159739417 in words is "one hundred fifty-nine million, seven hundred thirty-nine thousand, four hundred seventeen".