1380213128268 has 72 divisors (see below), whose sum is σ = 3820929075600. Its totient is φ = 417482971776.

The previous prime is 1380213128267. The next prime is 1380213128279. The reversal of 1380213128268 is 8628213120831.

1380213128268 is a `hidden beast` number, since 1 + 380 + 2 + 1 + 3 + 1 + 2 + 8 + 268 = 666.

It is not an unprimeable number, because it can be changed into a prime (1380213128267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24965383 + ... + 25020606.

Almost surely, 2^{1380213128268} is an apocalyptic number.

1380213128268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1380213128268 is an abundant number, since it is smaller than the sum of its proper divisors (2440715947332).

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

1380213128268 is a wasteful number, since it uses less digits than its factorization.

1380213128268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49986071 (or 49986066 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 1380213128268 in words is "one trillion, three hundred eighty billion, two hundred thirteen million, one hundred twenty-eight thousand, two hundred sixty-eight".