138054321957835 has 64 divisors (see below), whose sum is σ = 173387785697280. Its totient is φ = 105387618631680.

The previous prime is 138054321957829. The next prime is 138054321957997. The reversal of 138054321957835 is 538759123450831.

It is not a de Polignac number, because 138054321957835 - 2¹⁹ = 138054321433547 is a prime.

It is a super-2 number, since 2×138054321957835² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59174590329 + ... + 59174592661.

It is an arithmetic number, because the mean of its divisors is an integer number (2709184151520).

Almost surely, 2^{138054321957835} is an apocalyptic number.

138054321957835 is a deficient number, since it is larger than the sum of its proper divisors (35333463739445).

138054321957835 is a wasteful number, since it uses less digits than its factorization.

138054321957835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568.

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 138054321957835 in words is "one hundred thirty-eight trillion, fifty-four billion, three hundred twenty-one million, nine hundred fifty-seven thousand, eight hundred thirty-five".