138195841332 has 48 divisors (see below), whose sum is σ = 325440460800. Its totient is φ = 45640628352.

The previous prime is 138195841321. The next prime is 138195841349. The reversal of 138195841332 is 233148591831.

138195841332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138195841332² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612493 + ... + 807179.

It is an arithmetic number, because the mean of its divisors is an integer number (6780009600).

Almost surely, 2^138195841332 is an apocalyptic number.

138195841332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138195841332 is an abundant number, since it is smaller than the sum of its proper divisors (187244619468).

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

138195841332 is a wasteful number, since it uses less digits than its factorization.

138195841332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195240 (or 195238 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 138195841332 in words is "one hundred thirty-eight billion, one hundred ninety-five million, eight hundred forty-one thousand, three hundred thirty-two".