260878135 has 24 divisors (see below), whose sum is σ = 362225376. Its totient is φ = 176689920.

The previous prime is 260878133. The next prime is 260878139. The reversal of 260878135 is 531878062.

It is not a de Polignac number, because 260878135 - 2¹ = 260878133 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 (260878133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276765 + ... + 277705.

It is an arithmetic number, because the mean of its divisors is an integer number (15092724).

Almost surely, 2^260878135 is an apocalyptic number.

260878135 is a deficient number, since it is larger than the sum of its proper divisors (101347241).

260878135 is an frugal number, since it uses more digits than its factorization.

260878135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 260878135 is about 16151.7223539782. The cubic root of 260878135 is about 638.9681737802.

The spelling of 260878135 in words is "two hundred sixty million, eight hundred seventy-eight thousand, one hundred thirty-five".