118549839 has 16 divisors (see below), whose sum is σ = 165192192. Its totient is φ = 75548928.

The previous prime is 118549831. The next prime is 118549841. The reversal of 118549839 is 938945811.

It is not a de Polignac number, because 118549839 - 2³ = 118549831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118549831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3714 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (10324512).

Almost surely, 2^118549839 is an apocalyptic number.

118549839 is a deficient number, since it is larger than the sum of its proper divisors (46642353).

118549839 is a wasteful number, since it uses less digits than its factorization.

118549839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19646.

The product of its digits is 311040, while the sum is 48.

The square root of 118549839 is about 10888.0594689779. The cubic root of 118549839 is about 491.2474656228.

The spelling of 118549839 in words is "one hundred eighteen million, five hundred forty-nine thousand, eight hundred thirty-nine".