138300244 has 24 divisors (see below), whose sum is σ = 248088960. Its totient is φ = 67439424.

The previous prime is 138300193. The next prime is 138300271. The reversal of 138300244 is 442003831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23592 + ... + 28864.

It is an arithmetic number, because the mean of its divisors is an integer number (10337040).

Almost surely, 2^138300244 is an apocalyptic number.

It is an amenable number.

138300244 is a deficient number, since it is larger than the sum of its proper divisors (109788716).

138300244 is a wasteful number, since it uses less digits than its factorization.

138300244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439 (or 5437 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 138300244 is about 11760.1124144287. The cubic root of 138300244 is about 517.1394256736.

The spelling of 138300244 in words is "one hundred thirty-eight million, three hundred thousand, two hundred forty-four".