158671039 has 2 divisors, whose sum is σ = 158671040. Its totient is φ = 158671038.

The previous prime is 158671031. The next prime is 158671057. The reversal of 158671039 is 930176851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158671039 - 2³ = 158671031 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158670992 and 158671010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158671031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79335519 + 79335520.

It is an arithmetic number, because the mean of its divisors is an integer number (79335520).

Almost surely, 2^158671039 is an apocalyptic number.

158671039 is a deficient number, since it is larger than the sum of its proper divisors (1).

158671039 is an equidigital number, since it uses as much as digits as its factorization.

158671039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 158671039 is about 12596.4693069129. The cubic root of 158671039 is about 541.3762778750.

The spelling of 158671039 in words is "one hundred fifty-eight million, six hundred seventy-one thousand, thirty-nine".