138750131382 has 8 divisors (see below), whose sum is σ = 277500262776. Its totient is φ = 46250043792.

The previous prime is 138750131353. The next prime is 138750131389. The reversal of 138750131382 is 283131057831.

It is a happy number.

138750131382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

138750131382 is an admirable number.

It is a super-2 number, since 2×138750131382² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138750131389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11562510943 + ... + 11562510954.

It is an arithmetic number, because the mean of its divisors is an integer number (34687532847).

Almost surely, 2^138750131382 is an apocalyptic number.

138750131382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138750131382 is a wasteful number, since it uses less digits than its factorization.

138750131382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23125021902.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 138750131382 in words is "one hundred thirty-eight billion, seven hundred fifty million, one hundred thirty-one thousand, three hundred eighty-two".