138173000132 has 6 divisors (see below), whose sum is σ = 241802750238. Its totient is φ = 69086500064.

The previous prime is 138173000087. The next prime is 138173000137. The reversal of 138173000132 is 231000371831.

It can be written as a sum of positive squares in only one way, i.e., 81741097216 + 56431902916 = 285904^2 + 237554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 138173000095 and 138173000104.

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 as a sum of consecutive naturals, namely, 17271625013 + ... + 17271625020.

It is an arithmetic number, because the mean of its divisors is an integer number (40300458373).

Almost surely, 2^138173000132 is an apocalyptic number.

It is an amenable number.

138173000132 is a deficient number, since it is larger than the sum of its proper divisors (103629750106).

138173000132 is a wasteful number, since it uses less digits than its factorization.

138173000132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34543250037 (or 34543250035 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 138173000132 its reverse (231000371831), we get a palindrome (369173371963).

The spelling of 138173000132 in words is "one hundred thirty-eight billion, one hundred seventy-three million, one hundred thirty-two", and thus it is an aban number.