1396321667736 has 64 divisors (see below), whose sum is σ = 3527372956800. Its totient is φ = 460586539008.

The previous prime is 1396321667731. The next prime is 1396321667737. The reversal of 1396321667736 is 6377661236931.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1396321667736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396321667731) 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 15 ways as a sum of consecutive naturals, for example, 342456 + ... + 1705848.

It is an arithmetic number, because the mean of its divisors is an integer number (55115202450).

Almost surely, 2^{1396321667736} is an apocalyptic number.

It is an amenable number.

1396321667736 is an abundant number, since it is smaller than the sum of its proper divisors (2131051289064).

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

1396321667736 is a wasteful number, since it uses less digits than its factorization.

1396321667736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363848 (or 1363844 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 60.

The spelling of 1396321667736 in words is "one trillion, three hundred ninety-six billion, three hundred twenty-one million, six hundred sixty-seven thousand, seven hundred thirty-six".