239049013 has 16 divisors (see below), whose sum is σ = 288008320. Its totient is φ = 193824576.

The previous prime is 239049011. The next prime is 239049017. The reversal of 239049013 is 310940932.

It is a cyclic number.

It is not a de Polignac number, because 239049013 - 2¹ = 239049011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239049011) 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 15 ways as a sum of consecutive naturals, for example, 163795 + ... + 165247.

It is an arithmetic number, because the mean of its divisors is an integer number (18000520).

Almost surely, 2^239049013 is an apocalyptic number.

It is an amenable number.

239049013 is a deficient number, since it is larger than the sum of its proper divisors (48959307).

239049013 is a wasteful number, since it uses less digits than its factorization.

239049013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 239049013 is about 15461.2099461847. The cubic root of 239049013 is about 620.6245986184.

Adding to 239049013 its reverse (310940932), we get a palindrome (549989945).

The spelling of 239049013 in words is "two hundred thirty-nine million, forty-nine thousand, thirteen".