1380843125 has 20 divisors (see below), whose sum is σ = 1730745984. Its totient is φ = 1101318000.

The previous prime is 1380843089. The next prime is 1380843169. The reversal of 1380843125 is 5213480831.

It is a happy number.

1380843125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1380843125 - 2¹⁶ = 1380777589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213692 + ... + 220058.

Almost surely, 2^1380843125 is an apocalyptic number.

It is an amenable number.

1380843125 is a deficient number, since it is larger than the sum of its proper divisors (349902859).

1380843125 is an frugal number, since it uses more digits than its factorization.

1380843125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1380843125 is about 37159.6975902657. The cubic root of 1380843125 is about 1113.5629700600.

The spelling of 1380843125 in words is "one billion, three hundred eighty million, eight hundred forty-three thousand, one hundred twenty-five".