1380237768 has 96 divisors (see below), whose sum is σ = 4600814400. Its totient is φ = 364017024.

The previous prime is 1380237739. The next prime is 1380237787. The reversal of 1380237768 is 8677320831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98778 + ... + 111881.

It is an arithmetic number, because the mean of its divisors is an integer number (47925150).

Almost surely, 2^1380237768 is an apocalyptic number.

1380237768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1380237768 is an abundant number, since it is smaller than the sum of its proper divisors (3220576632).

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

1380237768 is a wasteful number, since it uses less digits than its factorization.

1380237768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210691 (or 210684 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1380237768 is about 37151.5513538802. The cubic root of 1380237768 is about 1113.4002188493.

The spelling of 1380237768 in words is "one billion, three hundred eighty million, two hundred thirty-seven thousand, seven hundred sixty-eight".