159340939 has 2 divisors, whose sum is σ = 159340940. Its totient is φ = 159340938.

The previous prime is 159340921. The next prime is 159340943. The reversal of 159340939 is 939043951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159340939 - 2¹¹ = 159338891 is a prime.

It is equal to p_8939536 and since 159340939 and 8939536 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 159340895 and 159340904.

It is not a weakly prime, because it can be changed into another prime (159340919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79670469 + 79670470.

It is an arithmetic number, because the mean of its divisors is an integer number (79670470).

Almost surely, 2^159340939 is an apocalyptic number.

159340939 is a deficient number, since it is larger than the sum of its proper divisors (1).

159340939 is an equidigital number, since it uses as much as digits as its factorization.

159340939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 159340939 is about 12623.0320842498. The cubic root of 159340939 is about 542.1370946710.

The spelling of 159340939 in words is "one hundred fifty-nine million, three hundred forty thousand, nine hundred thirty-nine".