260134181 has 2 divisors, whose sum is σ = 260134182. Its totient is φ = 260134180.

The previous prime is 260134177. The next prime is 260134207. The reversal of 260134181 is 181431062.

It is an a-pointer prime, because the next prime (260134207) can be obtained adding 260134181 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257089156 + 3045025 = 16034^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 260134181 - 2² = 260134177 is a prime.

It is a super-2 number, since 2×260134181² = 135339584249081522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260134181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260137181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130067090 + 130067091.

It is an arithmetic number, because the mean of its divisors is an integer number (130067091).

Almost surely, 2^260134181 is an apocalyptic number.

It is an amenable number.

260134181 is a deficient number, since it is larger than the sum of its proper divisors (1).

260134181 is an equidigital number, since it uses as much as digits as its factorization.

260134181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 260134181 is about 16128.6757360919. The cubic root of 260134181 is about 638.3602072611.

The spelling of 260134181 in words is "two hundred sixty million, one hundred thirty-four thousand, one hundred eighty-one".