260920133 has 2 divisors, whose sum is σ = 260920134. Its totient is φ = 260920132.

The previous prime is 260920129. The next prime is 260920147. The reversal of 260920133 is 331029062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169182049 + 91738084 = 13007^2 + 9578^2 .

It is a cyclic number.

It is not a de Polignac number, because 260920133 - 2² = 260920129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260920183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130460066 + 130460067.

It is an arithmetic number, because the mean of its divisors is an integer number (130460067).

Almost surely, 2^260920133 is an apocalyptic number.

It is an amenable number.

260920133 is a deficient number, since it is larger than the sum of its proper divisors (1).

260920133 is an equidigital number, since it uses as much as digits as its factorization.

260920133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 260920133 is about 16153.0224106822. The cubic root of 260920133 is about 639.0024604730.

Adding to 260920133 its reverse (331029062), we get a palindrome (591949195).

The spelling of 260920133 in words is "two hundred sixty million, nine hundred twenty thousand, one hundred thirty-three".