138057571088 has 80 divisors (see below), whose sum is σ = 286755009600. Its totient is φ = 64193472000.

The previous prime is 138057571087. The next prime is 138057571109. The reversal of 138057571088 is 880175750831.

It is not an unprimeable number, because it can be changed into a prime (138057571087) 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, 13141838 + ... + 13152338.

It is an arithmetic number, because the mean of its divisors is an integer number (3584437620).

Almost surely, 2^138057571088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138057571088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143377504800).

138057571088 is an abundant number, since it is smaller than the sum of its proper divisors (148697438512).

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

138057571088 is a wasteful number, since it uses less digits than its factorization.

138057571088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320 (or 11314 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 53.

The spelling of 138057571088 in words is "one hundred thirty-eight billion, fifty-seven million, five hundred seventy-one thousand, eighty-eight".