138553859748 has 24 divisors (see below), whose sum is σ = 342309536352. Its totient is φ = 43467877504.

The previous prime is 138553859699. The next prime is 138553859791. The reversal of 138553859748 is 847958355831.

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, 339592590 + ... + 339592997.

It is an arithmetic number, because the mean of its divisors is an integer number (14262897348).

Almost surely, 2^138553859748 is an apocalyptic number.

It is an amenable number.

138553859748 is an abundant number, since it is smaller than the sum of its proper divisors (203755676604).

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

138553859748 is a wasteful number, since it uses less digits than its factorization.

138553859748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679185611 (or 679185609 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 66.

The spelling of 138553859748 in words is "one hundred thirty-eight billion, five hundred fifty-three million, eight hundred fifty-nine thousand, seven hundred forty-eight".