138232484 has 48 divisors (see below), whose sum is σ = 278570880. Its totient is φ = 59516160.

The previous prime is 138232483. The next prime is 138232511. The reversal of 138232484 is 484232831.

It is not an unprimeable number, because it can be changed into a prime (138232483) 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 15 ways as a sum of consecutive naturals, for example, 47627 + ... + 50445.

It is an arithmetic number, because the mean of its divisors is an integer number (5803560).

Almost surely, 2^138232484 is an apocalyptic number.

It is an amenable number.

138232484 is an abundant number, since it is smaller than the sum of its proper divisors (140338396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138232484 is a wasteful number, since it uses less digits than its factorization.

138232484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2898 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 138232484 is about 11757.2311366240. The cubic root of 138232484 is about 517.0549546443.

The spelling of 138232484 in words is "one hundred thirty-eight million, two hundred thirty-two thousand, four hundred eighty-four".