159705039 has 8 divisors (see below), whose sum is σ = 229320112. Its totient is φ = 98280000.

The previous prime is 159705011. The next prime is 159705041. The reversal of 159705039 is 930507951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159705039 - 2¹² = 159700943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 4095001 = 159705039 / (1 + 5 + 9 + 7 + 0 + 5 + 0 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159704988 and 159705006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159705079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047462 + ... + 2047539.

It is an arithmetic number, because the mean of its divisors is an integer number (28665014).

Almost surely, 2^159705039 is an apocalyptic number.

159705039 is a deficient number, since it is larger than the sum of its proper divisors (69615073).

159705039 is a wasteful number, since it uses less digits than its factorization.

159705039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095017.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 159705039 is about 12637.4459049287. The cubic root of 159705039 is about 542.5497150529.

The spelling of 159705039 in words is "one hundred fifty-nine million, seven hundred five thousand, thirty-nine".