138541756119926 has 8 divisors (see below), whose sum is σ = 220036906778760. Its totient is φ = 65196120527008.

The previous prime is 138541756119913. The next prime is 138541756119929. The reversal of 138541756119926 is 629911657145831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138541756119929) 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, 2037378766436 + ... + 2037378766503.

It is an arithmetic number, because the mean of its divisors is an integer number (27504613347345).

Almost surely, 2^{138541756119926} is an apocalyptic number.

138541756119926 is a deficient number, since it is larger than the sum of its proper divisors (81495150658834).

138541756119926 is a wasteful number, since it uses less digits than its factorization.

138541756119926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074757532958.

The product of its digits is 97977600, while the sum is 68.

The spelling of 138541756119926 in words is "one hundred thirty-eight trillion, five hundred forty-one billion, seven hundred fifty-six million, one hundred nineteen thousand, nine hundred twenty-six".