260365131 has 16 divisors (see below), whose sum is σ = 415397920. Its totient is φ = 160224480.

The previous prime is 260365121. The next prime is 260365153. The reversal of 260365131 is 131563062.

260365131 is a `hidden beast` number, since 2 + 6 + 0 + 3 + 651 + 3 + 1 = 666.

It is not a de Polignac number, because 260365131 - 2⁵ = 260365099 is a prime.

It is a super-2 number, since 2×260365131² = 135580002881294322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260365095 and 260365104.

It is not an unprimeable number, because it can be changed into a prime (260365121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370540 + ... + 371241.

It is an arithmetic number, because the mean of its divisors is an integer number (25962370).

Almost surely, 2^260365131 is an apocalyptic number.

260365131 is a deficient number, since it is larger than the sum of its proper divisors (155032789).

260365131 is a wasteful number, since it uses less digits than its factorization.

260365131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741803 (or 741797 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 260365131 is about 16135.8337559607. The cubic root of 260365131 is about 638.5490657969.

The spelling of 260365131 in words is "two hundred sixty million, three hundred sixty-five thousand, one hundred thirty-one".