1380921830000 has 50 divisors (see below), whose sum is σ = 3343349866824. Its totient is φ = 552368728000.

The previous prime is 1380921829997. The next prime is 1380921830069. The reversal of 1380921830000 is 381290831.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69036092 + ... + 69056091.

Almost surely, 2^{1380921830000} is an apocalyptic number.

1380921830000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380921830000 is an abundant number, since it is smaller than the sum of its proper divisors (1962428036824).

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

1380921830000 is an equidigital number, since it uses as much as digits as its factorization.

1380921830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138092211 (or 138092190 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 1380921830000 in words is "one trillion, three hundred eighty billion, nine hundred twenty-one million, eight hundred thirty thousand".