239142265 has 32 divisors (see below), whose sum is σ = 317836800. Its totient is φ = 172005120.

The previous prime is 239142263. The next prime is 239142289. The reversal of 239142265 is 562241932.

It is not a de Polignac number, because 239142265 - 2¹ = 239142263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239142265.

It is not an unprimeable number, because it can be changed into a prime (239142263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167344 + ... + 168766.

It is an arithmetic number, because the mean of its divisors is an integer number (9932400).

Almost surely, 2^239142265 is an apocalyptic number.

It is an amenable number.

239142265 is a deficient number, since it is larger than the sum of its proper divisors (78694535).

239142265 is a wasteful number, since it uses less digits than its factorization.

239142265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 25920, while the sum is 34.

The square root of 239142265 is about 15464.2253281566. The cubic root of 239142265 is about 620.7052891296.

The spelling of 239142265 in words is "two hundred thirty-nine million, one hundred forty-two thousand, two hundred sixty-five".