1381331417736 has 16 divisors (see below), whose sum is σ = 3453328544400. Its totient is φ = 460443805904.

The previous prime is 1381331417723. The next prime is 1381331417747. The reversal of 1381331417736 is 6377141331831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28777737846 + ... + 28777737893.

It is an arithmetic number, because the mean of its divisors is an integer number (215833034025).

Almost surely, 2^{1381331417736} is an apocalyptic number.

It is an amenable number.

1381331417736 is an abundant number, since it is smaller than the sum of its proper divisors (2071997126664).

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

1381331417736 is a wasteful number, since it uses less digits than its factorization.

1381331417736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57555475748 (or 57555475744 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The spelling of 1381331417736 in words is "one trillion, three hundred eighty-one billion, three hundred thirty-one million, four hundred seventeen thousand, seven hundred thirty-six".