260138364 has 12 divisors (see below), whose sum is σ = 606989544. Its totient is φ = 86712784.

The previous prime is 260138353. The next prime is 260138377. The reversal of 260138364 is 463831062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10839087 + ... + 10839110.

It is an arithmetic number, because the mean of its divisors is an integer number (50582462).

Almost surely, 2^260138364 is an apocalyptic number.

It is an amenable number.

260138364 is an abundant number, since it is smaller than the sum of its proper divisors (346851180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260138364 is a wasteful number, since it uses less digits than its factorization.

260138364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21678204 (or 21678202 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 260138364 is about 16128.8054114370. The cubic root of 260138364 is about 638.3636288881.

The spelling of 260138364 in words is "two hundred sixty million, one hundred thirty-eight thousand, three hundred sixty-four".