1380841808 has 10 divisors (see below), whose sum is σ = 2675381034. Its totient is φ = 690420896.

The previous prime is 1380841799. The next prime is 1380841817. The reversal of 1380841808 is 8081480831.

It is an interprime number because it is at equal distance from previous prime (1380841799) and next prime (1380841817).

It can be written as a sum of positive squares in only one way, i.e., 1013276224 + 367565584 = 31832^2 + 19172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43151291 + ... + 43151322.

Almost surely, 2^1380841808 is an apocalyptic number.

It is an amenable number.

1380841808 is a deficient number, since it is larger than the sum of its proper divisors (1294539226).

1380841808 is an equidigital number, since it uses as much as digits as its factorization.

1380841808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86302621 (or 86302615 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 1380841808 is about 37159.6798694499. The cubic root of 1380841808 is about 1113.5626160340.

The spelling of 1380841808 in words is "one billion, three hundred eighty million, eight hundred forty-one thousand, eight hundred eight".