1367813771448 has 32 divisors (see below), whose sum is σ = 3568209840000. Its totient is φ = 436114535648.

The previous prime is 1367813771447. The next prime is 1367813771543. The reversal of 1367813771448 is 8441773187631.

It is a junction number, because it is equal to n+sod(n) for n = 1367813771391 and 1367813771400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1367813771447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238961198 + ... + 1238962301.

It is an arithmetic number, because the mean of its divisors is an integer number (111506557500).

Almost surely, 2^{1367813771448} is an apocalyptic number.

It is an amenable number.

1367813771448 is an abundant number, since it is smaller than the sum of its proper divisors (2200396068552).

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

1367813771448 is a wasteful number, since it uses less digits than its factorization.

1367813771448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477923531 (or 2477923527 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 60.

The spelling of 1367813771448 in words is "one trillion, three hundred sixty-seven billion, eight hundred thirteen million, seven hundred seventy-one thousand, four hundred forty-eight".