1386731368 has 32 divisors (see below), whose sum is σ = 2844732960. Its totient is φ = 628502080.

The previous prime is 1386731363. The next prime is 1386731369. The reversal of 1386731368 is 8631376831.

It is not an unprimeable number, because it can be changed into a prime (1386731363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7830 + ... + 53242.

It is an arithmetic number, because the mean of its divisors is an integer number (88897905).

Almost surely, 2^1386731368 is an apocalyptic number.

It is an amenable number.

1386731368 is an abundant number, since it is smaller than the sum of its proper divisors (1458001592).

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

1386731368 is a wasteful number, since it uses less digits than its factorization.

1386731368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45777 (or 45773 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 1386731368 is about 37238.8421946762. The cubic root of 1386731368 is about 1115.1435578329.

It can be divided in two parts, 138673 and 1368, that added together give a palindrome (140041).

The spelling of 1386731368 in words is "one billion, three hundred eighty-six million, seven hundred thirty-one thousand, three hundred sixty-eight".