138827071030 has 16 divisors (see below), whose sum is σ = 260753455584. Its totient is φ = 53116444480.

The previous prime is 138827071021. The next prime is 138827071169. The reversal of 138827071030 is 30170728831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301797751 + ... + 301798210.

It is an arithmetic number, because the mean of its divisors is an integer number (16297090974).

Almost surely, 2^138827071030 is an apocalyptic number.

138827071030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138827071030 is a deficient number, since it is larger than the sum of its proper divisors (121926384554).

138827071030 is a wasteful number, since it uses less digits than its factorization.

138827071030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603595991.

The product of its (nonzero) digits is 56448, while the sum is 40.

Adding to 138827071030 its reverse (30170728831), we get a palindrome (168997799861).

The spelling of 138827071030 in words is "one hundred thirty-eight billion, eight hundred twenty-seven million, seventy-one thousand, thirty".