138752752775 has 24 divisors (see below), whose sum is σ = 211758050784. Its totient is φ = 87825916800.

The previous prime is 138752752739. The next prime is 138752752811. The reversal of 138752752775 is 577257257831.

138752752775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138752752739) and next prime (138752752811).

It is not a de Polignac number, because 138752752775 - 2¹⁴ = 138752736391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30492836 + ... + 30497385.

It is an arithmetic number, because the mean of its divisors is an integer number (8823252116).

Almost surely, 2^138752752775 is an apocalyptic number.

138752752775 is a deficient number, since it is larger than the sum of its proper divisors (73005298009).

138752752775 is a wasteful number, since it uses less digits than its factorization.

138752752775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60990251 (or 60990246 counting only the distinct ones).

The product of its digits is 28812000, while the sum is 59.

The spelling of 138752752775 in words is "one hundred thirty-eight billion, seven hundred fifty-two million, seven hundred fifty-two thousand, seven hundred seventy-five".