138701756 has 6 divisors (see below), whose sum is σ = 242728080. Its totient is φ = 69350876.

The previous prime is 138701723. The next prime is 138701791. The reversal of 138701756 is 657107831.

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 as a sum of consecutive naturals, namely, 17337716 + ... + 17337723.

It is an arithmetic number, because the mean of its divisors is an integer number (40454680).

Almost surely, 2^138701756 is an apocalyptic number.

It is an amenable number.

138701756 is a deficient number, since it is larger than the sum of its proper divisors (104026324).

138701756 is a wasteful number, since it uses less digits than its factorization.

138701756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34675443 (or 34675441 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 138701756 is about 11777.1709675966. The cubic root of 138701756 is about 517.6393936304.

The spelling of 138701756 in words is "one hundred thirty-eight million, seven hundred one thousand, seven hundred fifty-six".