260142049 has 4 divisors (see below), whose sum is σ = 268533760. Its totient is φ = 251750340.

The previous prime is 260142031. The next prime is 260142059. The reversal of 260142049 is 940241062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260142049 - 2⁵ = 260142017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260142019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195809 + ... + 4195870.

It is an arithmetic number, because the mean of its divisors is an integer number (67133440).

Almost surely, 2^260142049 is an apocalyptic number.

It is an amenable number.

260142049 is a deficient number, since it is larger than the sum of its proper divisors (8391711).

260142049 is an equidigital number, since it uses as much as digits as its factorization.

260142049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391710.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 260142049 is about 16128.9196476391. The cubic root of 260142049 is about 638.3666431287.

The spelling of 260142049 in words is "two hundred sixty million, one hundred forty-two thousand, forty-nine".