138173000130 has 96 divisors (see below), whose sum is σ = 392115230208. Its totient is φ = 33478848000.

The previous prime is 138173000087. The next prime is 138173000137. The reversal of 138173000130 is 31000371831.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 138173000094 and 138173000103.

It is not an unprimeable number, because it can be changed into a prime (138173000137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1895722 + ... + 1967258.

It is an arithmetic number, because the mean of its divisors is an integer number (4084533648).

Almost surely, 2^138173000130 is an apocalyptic number.

138173000130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138173000130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196057615104).

138173000130 is an abundant number, since it is smaller than the sum of its proper divisors (253942230078).

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

138173000130 is a wasteful number, since it uses less digits than its factorization.

138173000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73512 (or 73509 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 138173000130 its reverse (31000371831), we get a palindrome (169173371961).

The spelling of 138173000130 in words is "one hundred thirty-eight billion, one hundred seventy-three million, one hundred thirty", and thus it is an aban number.