486802139 has 2 divisors, whose sum is σ = 486802140. Its totient is φ = 486802138.

The previous prime is 486802133. The next prime is 486802193. The reversal of 486802139 is 931208684.

Together with next prime (486802193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486802139 - 2⁸ = 486801883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 486802096 and 486802105.

It is not a weakly prime, because it can be changed into another prime (486802133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243401069 + 243401070.

It is an arithmetic number, because the mean of its divisors is an integer number (243401070).

Almost surely, 2^486802139 is an apocalyptic number.

486802139 is a deficient number, since it is larger than the sum of its proper divisors (1).

486802139 is an equidigital number, since it uses as much as digits as its factorization.

486802139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 486802139 is about 22063.5930664069. The cubic root of 486802139 is about 786.6547317167.

The spelling of 486802139 in words is "four hundred eighty-six million, eight hundred two thousand, one hundred thirty-nine".