138371548 has 24 divisors (see below), whose sum is σ = 277200000. Its totient is φ = 59204208.

The previous prime is 138371537. The next prime is 138371561. The reversal of 138371548 is 845173831.

It is a self number, because there is not a number n which added to its sum of digits gives 138371548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14703 + ... + 22201.

It is an arithmetic number, because the mean of its divisors is an integer number (11550000).

Almost surely, 2^138371548 is an apocalyptic number.

It is an amenable number.

138371548 is an abundant number, since it is smaller than the sum of its proper divisors (138828452).

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

138371548 is a wasteful number, since it uses less digits than its factorization.

138371548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169 (or 8167 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 138371548 is about 11763.1436274493. The cubic root of 138371548 is about 517.2282849391.

The spelling of 138371548 in words is "one hundred thirty-eight million, three hundred seventy-one thousand, five hundred forty-eight".