486139 has 2 divisors, whose sum is σ = 486140. Its totient is φ = 486138.

The previous prime is 486133. The next prime is 486163. The reversal of 486139 is 931684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486139 - 2¹¹ = 484091 is a prime.

It is a super-3 number, since 3×486139³ = 344669333714110857, which contains 333 as substring. Note that it is a super-d number also for d = 2.

486139 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 486139.

It is not a weakly prime, because it can be changed into another prime (486133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243069 + 243070.

It is an arithmetic number, because the mean of its divisors is an integer number (243070).

2⁴⁸⁶¹³⁹ is an apocalyptic number.

486139 is a deficient number, since it is larger than the sum of its proper divisors (1).

486139 is an equidigital number, since it uses as much as digits as its factorization.

486139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 486139 is about 697.2366886503. The cubic root of 486139 is about 78.6297366479.

It can be divided in two parts, 4861 and 39, that added together give a square (4900 = 70²).

The spelling of 486139 in words is "four hundred eighty-six thousand, one hundred thirty-nine".