1380938016 has 96 divisors (see below), whose sum is σ = 3850519680. Its totient is φ = 431845376.

The previous prime is 1380937969. The next prime is 1380938023. The reversal of 1380938016 is 6108390831.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 584710 + ... + 587066.

It is an arithmetic number, because the mean of its divisors is an integer number (40109580).

Almost surely, 2^1380938016 is an apocalyptic number.

1380938016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380938016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925259840).

1380938016 is an abundant number, since it is smaller than the sum of its proper divisors (2469581664).

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

1380938016 is a wasteful number, since it uses less digits than its factorization.

1380938016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1380938016 is about 37160.9743682805. The cubic root of 1380938016 is about 1113.5884773464.

The spelling of 1380938016 in words is "one billion, three hundred eighty million, nine hundred thirty-eight thousand, sixteen".