138026899248 has 80 divisors (see below), whose sum is σ = 408428311296. Its totient is φ = 39347193600.

The previous prime is 138026899207. The next prime is 138026899253. The reversal of 138026899248 is 842998620831.

It is a junction number, because it is equal to n+sod(n) for n = 138026899191 and 138026899200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314803 + ... + 612498.

Almost surely, 2^138026899248 is an apocalyptic number.

It is an amenable number.

138026899248 is an abundant number, since it is smaller than the sum of its proper divisors (270401412048).

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

138026899248 is a wasteful number, since it uses less digits than its factorization.

138026899248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927762 (or 927756 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 60.

The spelling of 138026899248 in words is "one hundred thirty-eight billion, twenty-six million, eight hundred ninety-nine thousand, two hundred forty-eight".