239539135 has 24 divisors (see below), whose sum is σ = 327844944. Its totient is φ = 166615680.

The previous prime is 239539121. The next prime is 239539141. The reversal of 239539135 is 531935932.

It is not a de Polignac number, because 239539135 - 2⁵ = 239539103 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24979 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (13660206).

Almost surely, 2^239539135 is an apocalyptic number.

239539135 is a deficient number, since it is larger than the sum of its proper divisors (88305809).

239539135 is a wasteful number, since it uses less digits than its factorization.

239539135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295 (or 8272 counting only the distinct ones).

The product of its digits is 109350, while the sum is 40.

The square root of 239539135 is about 15477.0518833530. The cubic root of 239539135 is about 621.0484644389.

The spelling of 239539135 in words is "two hundred thirty-nine million, five hundred thirty-nine thousand, one hundred thirty-five".