158039 has 8 divisors (see below), whose sum is σ = 183168. Its totient is φ = 133560.

The previous prime is 158029. The next prime is 158047. The reversal of 158039 is 930851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158039 - 2¹⁶ = 92503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157999 and 158017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (22896).

2¹⁵⁸⁰³⁹ is an apocalyptic number.

158039 is a deficient number, since it is larger than the sum of its proper divisors (25129).

158039 is a wasteful number, since it uses less digits than its factorization.

158039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 158039 is about 397.5411928342. The cubic root of 158039 is about 54.0656494651.

Multiplying 158039 by its sum of digits (26), we get a palindrome (4109014).

The spelling of 158039 in words is "one hundred fifty-eight thousand, thirty-nine".