159562939 has 4 divisors (see below), whose sum is σ = 163454760. Its totient is φ = 155671120.

The previous prime is 159562933. The next prime is 159562951. The reversal of 159562939 is 939265951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159562939 - 2¹⁵ = 159530171 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159562892 and 159562901.

It is not an unprimeable number, because it can be changed into a prime (159562933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945849 + ... + 1945930.

It is an arithmetic number, because the mean of its divisors is an integer number (40863690).

Almost surely, 2^159562939 is an apocalyptic number.

159562939 is a deficient number, since it is larger than the sum of its proper divisors (3891821).

159562939 is an equidigital number, since it uses as much as digits as its factorization.

159562939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891820.

The product of its digits is 656100, while the sum is 49.

The square root of 159562939 is about 12631.8224734201. The cubic root of 159562939 is about 542.3887533363.

The spelling of 159562939 in words is "one hundred fifty-nine million, five hundred sixty-two thousand, nine hundred thirty-nine".