138826240320 has 56 divisors (see below), whose sum is σ = 440773316064. Its totient is φ = 37020330496.

The previous prime is 138826240307. The next prime is 138826240321. The reversal of 138826240320 is 23042628831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138826240321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72304374 + ... + 72306293.

Almost surely, 2^138826240320 is an apocalyptic number.

138826240320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138826240320 is an abundant number, since it is smaller than the sum of its proper divisors (301947075744).

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

138826240320 is a wasteful number, since it uses less digits than its factorization.

138826240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144610687 (or 144610677 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 138826240320 in words is "one hundred thirty-eight billion, eight hundred twenty-six million, two hundred forty thousand, three hundred twenty".