138750000390 has 48 divisors (see below), whose sum is σ = 362153757888. Its totient is φ = 36856025088.

The previous prime is 138750000281. The next prime is 138750000397. The reversal of 138750000390 is 93000057831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138750000397) 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, 2976222 + ... + 3022481.

It is an arithmetic number, because the mean of its divisors is an integer number (7544869956).

Almost surely, 2^138750000390 is an apocalyptic number.

138750000390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138750000390 is an abundant number, since it is smaller than the sum of its proper divisors (223403757498).

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

138750000390 is a wasteful number, since it uses less digits than its factorization.

138750000390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998973 (or 5998970 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 138750000390 in words is "one hundred thirty-eight billion, seven hundred fifty million, three hundred ninety", and thus it is an aban number.