499139 has 2 divisors, whose sum is σ = 499140. Its totient is φ = 499138.

The previous prime is 499133. The next prime is 499141. The reversal of 499139 is 931994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499139 - 2¹² = 495043 is a prime.

Together with 499141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499099 and 499108.

It is not a weakly prime, because it can be changed into another prime (499133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249569 + 249570.

It is an arithmetic number, because the mean of its divisors is an integer number (249570).

2⁴⁹⁹¹³⁹ is an apocalyptic number.

499139 is a deficient number, since it is larger than the sum of its proper divisors (1).

499139 is an equidigital number, since it uses as much as digits as its factorization.

499139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 499139 is about 706.4976999255. The cubic root of 499139 is about 79.3244680126.

The spelling of 499139 in words is "four hundred ninety-nine thousand, one hundred thirty-nine".