159106439 has 2 divisors, whose sum is σ = 159106440. Its totient is φ = 159106438.

The previous prime is 159106429. The next prime is 159106463. The reversal of 159106439 is 934601951.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159106439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159106429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79553219 + 79553220.

It is an arithmetic number, because the mean of its divisors is an integer number (79553220).

Almost surely, 2^159106439 is an apocalyptic number.

159106439 is a deficient number, since it is larger than the sum of its proper divisors (1).

159106439 is an equidigital number, since it uses as much as digits as its factorization.

159106439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 159106439 is about 12613.7400876980. The cubic root of 159106439 is about 541.8710120470.

The spelling of 159106439 in words is "one hundred fifty-nine million, one hundred six thousand, four hundred thirty-nine".