1381592768 has 28 divisors (see below), whose sum is σ = 2774640120. Its totient is φ = 682470912.

The previous prime is 1381592761. The next prime is 1381592783. The reversal of 1381592768 is 8672951831.

It is not an unprimeable number, because it can be changed into a prime (1381592761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124733 + ... + 135356.

It is an arithmetic number, because the mean of its divisors is an integer number (99094290).

Almost surely, 2^1381592768 is an apocalyptic number.

It is an amenable number.

1381592768 is an abundant number, since it is smaller than the sum of its proper divisors (1393047352).

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

1381592768 is an equidigital number, since it uses as much as digits as its factorization.

1381592768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260184 (or 260174 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 1381592768 is about 37169.7829964072. The cubic root of 1381592768 is about 1113.7644468855.

The spelling of 1381592768 in words is "one billion, three hundred eighty-one million, five hundred ninety-two thousand, seven hundred sixty-eight".