158587039 has 8 divisors (see below), whose sum is σ = 170922752. Its totient is φ = 146270880.

The previous prime is 158587027. The next prime is 158587133. The reversal of 158587039 is 930785851.

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

It is a cyclic number.

It is not a de Polignac number, because 158587039 - 2¹⁷ = 158455967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158587039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158587939) 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 in 7 ways as a sum of consecutive naturals, for example, 14977 + ... + 23269.

It is an arithmetic number, because the mean of its divisors is an integer number (21365344).

Almost surely, 2^158587039 is an apocalyptic number.

158587039 is a deficient number, since it is larger than the sum of its proper divisors (12335713).

158587039 is a wasteful number, since it uses less digits than its factorization.

158587039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9777.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 158587039 is about 12593.1345978672. The cubic root of 158587039 is about 541.2807266539.

The spelling of 158587039 in words is "one hundred fifty-eight million, five hundred eighty-seven thousand, thirty-nine".