138133613706 has 32 divisors (see below), whose sum is σ = 301551717888. Its totient is φ = 41835158640.

The previous prime is 138133613701. The next prime is 138133613719. The reversal of 138133613706 is 607316331831.

It is not an unprimeable number, because it can be changed into a prime (138133613701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469236 + ... + 704591.

It is an arithmetic number, because the mean of its divisors is an integer number (9423491184).

Almost surely, 2^138133613706 is an apocalyptic number.

138133613706 is an abundant number, since it is smaller than the sum of its proper divisors (163418104182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138133613706 is a wasteful number, since it uses less digits than its factorization.

138133613706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175626.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 138133613706 in words is "one hundred thirty-eight billion, one hundred thirty-three million, six hundred thirteen thousand, seven hundred six".