138762638750 has 20 divisors (see below), whose sum is σ = 260096692416. Its totient is φ = 55505055000.

The previous prime is 138762638747. The next prime is 138762638783. The reversal of 138762638750 is 57836267831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55503806 + ... + 55506305.

Almost surely, 2^138762638750 is an apocalyptic number.

138762638750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138762638750 is a deficient number, since it is larger than the sum of its proper divisors (121334053666).

138762638750 is an equidigital number, since it uses as much as digits as its factorization.

138762638750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010133 (or 111010118 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 138762638750 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, six hundred thirty-eight thousand, seven hundred fifty".