138054344 has 16 divisors (see below), whose sum is σ = 259029900. Its totient is φ = 68979712.

The previous prime is 138054337. The next prime is 138054373. The reversal of 138054344 is 443450831.

It can be written as a sum of positive squares in 2 ways, for example, as 99241444 + 38812900 = 9962^2 + 6230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 138054344.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8492 + ... + 18660.

Almost surely, 2^138054344 is an apocalyptic number.

It is an amenable number.

138054344 is a deficient number, since it is larger than the sum of its proper divisors (120975556).

138054344 is a wasteful number, since it uses less digits than its factorization.

138054344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872 (or 11868 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 138054344 is about 11749.6529310444. The cubic root of 138054344 is about 516.8327498440.

The spelling of 138054344 in words is "one hundred thirty-eight million, fifty-four thousand, three hundred forty-four".