138750000126 has 16 divisors (see below), whose sum is σ = 282049181328. Its totient is φ = 45491803200.

The previous prime is 138750000119. The next prime is 138750000149. The reversal of 138750000126 is 621000057831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189548815 + ... + 189549546.

It is an arithmetic number, because the mean of its divisors is an integer number (17628073833).

Almost surely, 2^138750000126 is an apocalyptic number.

138750000126 is an abundant number, since it is smaller than the sum of its proper divisors (143299181202).

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

138750000126 is a wasteful number, since it uses less digits than its factorization.

138750000126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379098427.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 138750000126 its reverse (621000057831), we get a palindrome (759750057957).

The spelling of 138750000126 in words is "one hundred thirty-eight billion, seven hundred fifty million, one hundred twenty-six", and thus it is an aban number.