138323485573 has 24 divisors (see below), whose sum is σ = 174105788640. Its totient is φ = 108923965920.

The previous prime is 138323485543. The next prime is 138323485631. The reversal of 138323485573 is 375584323831.

It is not a de Polignac number, because 138323485573 - 2⁹ = 138323485061 is a prime.

It is a super-2 number, since 2×138323485573² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138323485573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138323485543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380163 + ... + 648976.

It is an arithmetic number, because the mean of its divisors is an integer number (7254407860).

Almost surely, 2^138323485573 is an apocalyptic number.

138323485573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138323485573 is a deficient number, since it is larger than the sum of its proper divisors (35782303067).

138323485573 is a wasteful number, since it uses less digits than its factorization.

138323485573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029377 (or 1029370 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 138323485573 in words is "one hundred thirty-eight billion, three hundred twenty-three million, four hundred eighty-five thousand, five hundred seventy-three".