158749339 has 4 divisors (see below), whose sum is σ = 181427824. Its totient is φ = 136070856.

The previous prime is 158749333. The next prime is 158749343. The reversal of 158749339 is 933947851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933947851 = 8089 ⋅115459.

It is a cyclic number.

It is not a de Polignac number, because 158749339 - 2⁵ = 158749307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158749292 and 158749301.

It is not an unprimeable number, because it can be changed into a prime (158749333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11339232 + ... + 11339245.

It is an arithmetic number, because the mean of its divisors is an integer number (45356956).

Almost surely, 2^158749339 is an apocalyptic number.

158749339 is a deficient number, since it is larger than the sum of its proper divisors (22678485).

158749339 is an equidigital number, since it uses as much as digits as its factorization.

158749339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22678484.

The product of its digits is 816480, while the sum is 49.

The square root of 158749339 is about 12599.5769373420. The cubic root of 158749339 is about 541.4653148998.

The spelling of 158749339 in words is "one hundred fifty-eight million, seven hundred forty-nine thousand, three hundred thirty-nine".