499138 has 8 divisors (see below), whose sum is σ = 756288. Its totient is φ = 247044.

The previous prime is 499133. The next prime is 499139. The reversal of 499138 is 831994.

499138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (499133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (94536).

2⁴⁹⁹¹³⁸ is an apocalyptic number.

499138 is a deficient number, since it is larger than the sum of its proper divisors (257150).

499138 is a wasteful number, since it uses less digits than its factorization.

499138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its digits is 7776, while the sum is 34.

The square root of 499138 is about 706.4969922087. The cubic root of 499138 is about 79.3244150384.

The spelling of 499138 in words is "four hundred ninety-nine thousand, one hundred thirty-eight".