1380318856 has 32 divisors (see below), whose sum is σ = 3013640640. Its totient is φ = 580402368.

The previous prime is 1380318847. The next prime is 1380318869. The reversal of 1380318856 is 6588130831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229566 + ... + 235501.

It is an arithmetic number, because the mean of its divisors is an integer number (94176270).

Almost surely, 2^1380318856 is an apocalyptic number.

It is an amenable number.

1380318856 is an abundant number, since it is smaller than the sum of its proper divisors (1633321784).

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

1380318856 is a wasteful number, since it uses less digits than its factorization.

1380318856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465133 (or 465129 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1380318856 is about 37152.6426516338. The cubic root of 1380318856 is about 1113.4220222494.

The spelling of 1380318856 in words is "one billion, three hundred eighty million, three hundred eighteen thousand, eight hundred fifty-six".