260042239 has 2 divisors, whose sum is σ = 260042240. Its totient is φ = 260042238.

The previous prime is 260042203. The next prime is 260042243. The reversal of 260042239 is 932240062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260042239 - 2¹¹ = 260040191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260042249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130021119 + 130021120.

It is an arithmetic number, because the mean of its divisors is an integer number (130021120).

Almost surely, 2^260042239 is an apocalyptic number.

260042239 is a deficient number, since it is larger than the sum of its proper divisors (1).

260042239 is an equidigital number, since it uses as much as digits as its factorization.

260042239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 260042239 is about 16125.8252191942. The cubic root of 260042239 is about 638.2849909118.

It can be divided in two parts, 260042 and 239, that added together give a triangular number (260281 = T₇₂₁).

The spelling of 260042239 in words is "two hundred sixty million, forty-two thousand, two hundred thirty-nine".