138848 has 12 divisors (see below), whose sum is σ = 273420. Its totient is φ = 69408.

The previous prime is 138841. The next prime is 138863. The reversal of 138848 is 848831.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4339 = 138848 / (1 + 3 + 8 + 8 + 4 + 8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 138848.

It is not an unprimeable number, because it can be changed into a prime (138841) by changing a digit.

138848 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (22785).

2¹³⁸⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

138848 is a deficient number, since it is larger than the sum of its proper divisors (134572).

138848 is an equidigital number, since it uses as much as digits as its factorization.

138848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4341 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 138848 is about 372.6231340108. The cubic root of 138848 is about 51.7821258824.

The spelling of 138848 in words is "one hundred thirty-eight thousand, eight hundred forty-eight".