138476 has 12 divisors (see below), whose sum is σ = 261072. Its totient is φ = 63888.

The previous prime is 138469. The next prime is 138493. The reversal of 138476 is 674831.

138476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

138476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (21756).

2¹³⁸⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

138476 is a deficient number, since it is larger than the sum of its proper divisors (122596).

138476 is a wasteful number, since it uses less digits than its factorization.

138476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680 (or 2678 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 138476 is about 372.1236353687. The cubic root of 138476 is about 51.7358398249.

The spelling of 138476 in words is "one hundred thirty-eight thousand, four hundred seventy-six".