158884139 has 2 divisors, whose sum is σ = 158884140. Its totient is φ = 158884138.

The previous prime is 158884133. The next prime is 158884147. The reversal of 158884139 is 931488851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158884139 - 2¹⁶ = 158818603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158884093 and 158884102.

It is not a weakly prime, because it can be changed into another prime (158884133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79442069 + 79442070.

It is an arithmetic number, because the mean of its divisors is an integer number (79442070).

Almost surely, 2^158884139 is an apocalyptic number.

158884139 is a deficient number, since it is larger than the sum of its proper divisors (1).

158884139 is an equidigital number, since it uses as much as digits as its factorization.

158884139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 47.

The square root of 158884139 is about 12604.9251881953. The cubic root of 158884139 is about 541.6185310230.

The spelling of 158884139 in words is "one hundred fifty-eight million, eight hundred eighty-four thousand, one hundred thirty-nine".