138340048087528 has 32 divisors (see below), whose sum is σ = 296443674720000. Its totient is φ = 59288449131072.

The previous prime is 138340048087411. The next prime is 138340048087543. The reversal of 138340048087528 is 825780840043831.

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, 22373598 + ... + 27879346.

It is an arithmetic number, because the mean of its divisors is an integer number (9263864835000).

Almost surely, 2^{138340048087528} is an apocalyptic number.

It is an amenable number.

138340048087528 is an abundant number, since it is smaller than the sum of its proper divisors (158103626632472).

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

138340048087528 is a wasteful number, since it uses less digits than its factorization.

138340048087528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954449 (or 5954445 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 138340048087528 in words is "one hundred thirty-eight trillion, three hundred forty billion, forty-eight million, eighty-seven thousand, five hundred twenty-eight".