1361323140756 has 24 divisors (see below), whose sum is σ = 3250290910944. Its totient is φ = 443221487520.

The previous prime is 1361323140703. The next prime is 1361323140781. The reversal of 1361323140756 is 6570413231631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319111055 + ... + 1319112086.

It is an arithmetic number, because the mean of its divisors is an integer number (135428787956).

Almost surely, 2^{1361323140756} is an apocalyptic number.

It is an amenable number.

1361323140756 is an abundant number, since it is smaller than the sum of its proper divisors (1888967770188).

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

1361323140756 is a wasteful number, since it uses less digits than its factorization.

1361323140756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638223191 (or 2638223189 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 1361323140756 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-three million, one hundred forty thousand, seven hundred fifty-six".