1338739358140 has 96 divisors (see below), whose sum is σ = 2876344732800. Its totient is φ = 523282636800.

The previous prime is 1338739358129. The next prime is 1338739358149. The reversal of 1338739358140 is 418539378331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338739358149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77793417 + ... + 77810623.

It is an arithmetic number, because the mean of its divisors is an integer number (29961924300).

Almost surely, 2^{1338739358140} is an apocalyptic number.

1338739358140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338739358140 is an abundant number, since it is smaller than the sum of its proper divisors (1537605374660).

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

1338739358140 is a wasteful number, since it uses less digits than its factorization.

1338739358140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815 (or 17813 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 1338739358140 in words is "one trillion, three hundred thirty-eight billion, seven hundred thirty-nine million, three hundred fifty-eight thousand, one hundred forty".