138750027500 has 60 divisors (see below), whose sum is σ = 346764112464. Its totient is φ = 47571432000.

The previous prime is 138750027467. The next prime is 138750027523. The reversal of 138750027500 is 5720057831.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3946787 + ... + 3981786.

Almost surely, 2^138750027500 is an apocalyptic number.

138750027500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138750027500 is an abundant number, since it is smaller than the sum of its proper divisors (208014084964).

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

138750027500 is an equidigital number, since it uses as much as digits as its factorization.

138750027500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928604 (or 7928587 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 138750027500 in words is "one hundred thirty-eight billion, seven hundred fifty million, twenty-seven thousand, five hundred".