1381061867684 has 24 divisors (see below), whose sum is σ = 2433246916800. Its totient is φ = 685849903200.

The previous prime is 1381061867683. The next prime is 1381061867719. The reversal of 1381061867684 is 4867681601831.

It is not an unprimeable number, because it can be changed into a prime (1381061867683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730547 + ... + 4084005.

It is an arithmetic number, because the mean of its divisors is an integer number (101385288200).

Almost surely, 2^{1381061867684} is an apocalyptic number.

It is an amenable number.

1381061867684 is a deficient number, since it is larger than the sum of its proper divisors (1052185049116).

1381061867684 is a wasteful number, since it uses less digits than its factorization.

1381061867684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360083 (or 360081 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 1381061867684 in words is "one trillion, three hundred eighty-one billion, sixty-one million, eight hundred sixty-seven thousand, six hundred eighty-four".