138943825750 has 16 divisors (see below), whose sum is σ = 260102842272. Its totient is φ = 55577530200.

The previous prime is 138943825747. The next prime is 138943825753. The reversal of 138943825750 is 57528349831.

It is an interprime number because it is at equal distance from previous prime (138943825747) and next prime (138943825753).

It is a junction number, because it is equal to n+sod(n) for n = 138943825691 and 138943825700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138943825753) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 277887402 + ... + 277887901.

It is an arithmetic number, because the mean of its divisors is an integer number (16256427642).

Almost surely, 2^138943825750 is an apocalyptic number.

138943825750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138943825750 is a deficient number, since it is larger than the sum of its proper divisors (121159016522).

138943825750 is an equidigital number, since it uses as much as digits as its factorization.

138943825750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555775320 (or 555775310 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 138943825750 in words is "one hundred thirty-eight billion, nine hundred forty-three million, eight hundred twenty-five thousand, seven hundred fifty".