260796139 has 2 divisors, whose sum is σ = 260796140. Its totient is φ = 260796138.

The previous prime is 260796127. The next prime is 260796163. The reversal of 260796139 is 931697062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260796139 - 2⁹ = 260795627 is a prime.

It is a super-2 number, since 2×260796139² = 136029252234614642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260796095 and 260796104.

It is not a weakly prime, because it can be changed into another prime (260796539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130398069 + 130398070.

It is an arithmetic number, because the mean of its divisors is an integer number (130398070).

Almost surely, 2^260796139 is an apocalyptic number.

260796139 is a deficient number, since it is larger than the sum of its proper divisors (1).

260796139 is an equidigital number, since it uses as much as digits as its factorization.

260796139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 260796139 is about 16149.1838493467. The cubic root of 260796139 is about 638.9012225650.

The spelling of 260796139 in words is "two hundred sixty million, seven hundred ninety-six thousand, one hundred thirty-nine".