1361322613544 has 16 divisors (see below), whose sum is σ = 2554441856820. Its totient is φ = 680138118400.

The previous prime is 1361322613529. The next prime is 1361322613579. The reversal of 1361322613544 is 4453162231631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 935224384900 + 426098228644 = 967070^2 + 652762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65387489 + ... + 65408304.

Almost surely, 2^{1361322613544} is an apocalyptic number.

It is an amenable number.

1361322613544 is a deficient number, since it is larger than the sum of its proper divisors (1193119243276).

1361322613544 is a wasteful number, since it uses less digits than its factorization.

1361322613544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130797100 (or 130797096 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 1361322613544 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, six hundred thirteen thousand, five hundred forty-four".