158207839 has 2 divisors, whose sum is σ = 158207840. Its totient is φ = 158207838.

The previous prime is 158207827. The next prime is 158207843. The reversal of 158207839 is 938702851.

It is a strong prime.

It is an emirp because it is prime and its reverse (938702851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158207839 - 2⁹ = 158207327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158207795 and 158207804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158207039) 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, 79103919 + 79103920.

It is an arithmetic number, because the mean of its divisors is an integer number (79103920).

Almost surely, 2^158207839 is an apocalyptic number.

158207839 is a deficient number, since it is larger than the sum of its proper divisors (1).

158207839 is an equidigital number, since it uses as much as digits as its factorization.

158207839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 158207839 is about 12578.0697644750. The cubic root of 158207839 is about 540.8489606752.

The spelling of 158207839 in words is "one hundred fifty-eight million, two hundred seven thousand, eight hundred thirty-nine".