8138459 has 12 divisors (see below), whose sum is σ = 9700488. Its totient is φ = 6804000.

The previous prime is 8138443. The next prime is 8138467. The reversal of 8138459 is 9548318.

It is not a de Polignac number, because 8138459 - 2⁴ = 8138443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8138489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17 + ... + 4034.

It is an arithmetic number, because the mean of its divisors is an integer number (808374).

Almost surely, 2^8138459 is an apocalyptic number.

8138459 is a deficient number, since it is larger than the sum of its proper divisors (1562029).

8138459 is a wasteful number, since it uses less digits than its factorization.

8138459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106 (or 4099 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 8138459 is about 2852.7984506446. The cubic root of 8138459 is about 201.1472317143.

The spelling of 8138459 in words is "eight million, one hundred thirty-eight thousand, four hundred fifty-nine".