1380381120 has 84 divisors (see below), whose sum is σ = 4747945800. Its totient is φ = 368100864.

The previous prime is 1380381109. The next prime is 1380381137. The reversal of 1380381120 is 211830831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236770 + ... + 242529.

Almost surely, 2^1380381120 is an apocalyptic number.

1380381120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380381120 is an abundant number, since it is smaller than the sum of its proper divisors (3367564680).

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

1380381120 is a wasteful number, since it uses less digits than its factorization.

1380381120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479322 (or 479309 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1380381120 is about 37153.4805906526. The cubic root of 1380381120 is about 1113.4387635664.

The spelling of 1380381120 in words is "one billion, three hundred eighty million, three hundred eighty-one thousand, one hundred twenty".