138710744 has 8 divisors (see below), whose sum is σ = 260082660. Its totient is φ = 69355368.

The previous prime is 138710729. The next prime is 138710753. The reversal of 138710744 is 447017831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8669414 + ... + 8669429.

Almost surely, 2^138710744 is an apocalyptic number.

It is an amenable number.

138710744 is a deficient number, since it is larger than the sum of its proper divisors (121371916).

138710744 is a wasteful number, since it uses less digits than its factorization.

138710744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338849 (or 17338845 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 138710744 is about 11777.5525471127. The cubic root of 138710744 is about 517.6505745568.

The spelling of 138710744 in words is "one hundred thirty-eight million, seven hundred ten thousand, seven hundred forty-four".