138074748075 has 36 divisors (see below), whose sum is σ = 269789694408. Its totient is φ = 66945331200.

The previous prime is 138074748073. The next prime is 138074748101. The reversal of 138074748075 is 570847470831.

138074748075 is a `hidden beast` number, since 13 + 80 + 7 + 4 + 7 + 480 + 75 = 666.

It is not a de Polignac number, because 138074748075 - 2¹ = 138074748073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138074748073) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27891414 + ... + 27896363.

It is an arithmetic number, because the mean of its divisors is an integer number (7494158178).

Almost surely, 2^138074748075 is an apocalyptic number.

138074748075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138074748075 is a deficient number, since it is larger than the sum of its proper divisors (131714946333).

138074748075 is a wasteful number, since it uses less digits than its factorization.

138074748075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55787804 (or 55787796 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 138074748075 in words is "one hundred thirty-eight billion, seventy-four million, seven hundred forty-eight thousand, seventy-five".