138749159754 has 48 divisors (see below), whose sum is σ = 307174533120. Its totient is φ = 45242814240.

The previous prime is 138749159719. The next prime is 138749159761. The reversal of 138749159754 is 457951947831.

138749159754 is a `hidden beast` number, since 1 + 3 + 8 + 7 + 491 + 5 + 97 + 54 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 138749159691 and 138749159700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1676119 + ... + 1756949.

It is an arithmetic number, because the mean of its divisors is an integer number (6399469440).

Almost surely, 2^138749159754 is an apocalyptic number.

138749159754 is an abundant number, since it is smaller than the sum of its proper divisors (168425373366).

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

138749159754 is a wasteful number, since it uses less digits than its factorization.

138749159754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82915 (or 82912 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 138749159754 in words is "one hundred thirty-eight billion, seven hundred forty-nine million, one hundred fifty-nine thousand, seven hundred fifty-four".