138857461888708 has 12 divisors (see below), whose sum is σ = 243250816353552. Its totient is φ = 69357228644840.

The previous prime is 138857461888703. The next prime is 138857461888723. The reversal of 138857461888708 is 807888164758831.

138857461888708 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138857461888703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17875570510 + ... + 17875578277.

It is an arithmetic number, because the mean of its divisors is an integer number (20270901362796).

Almost surely, 2^{138857461888708} is an apocalyptic number.

It is an amenable number.

138857461888708 is a deficient number, since it is larger than the sum of its proper divisors (104393354464844).

138857461888708 is a wasteful number, since it uses less digits than its factorization.

138857461888708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35751149762 (or 35751149760 counting only the distinct ones).

The product of its (nonzero) digits is 4624220160, while the sum is 82.

The spelling of 138857461888708 in words is "one hundred thirty-eight trillion, eight hundred fifty-seven billion, four hundred sixty-one million, eight hundred eighty-eight thousand, seven hundred eight".