1361323140755 has 4 divisors (see below), whose sum is σ = 1633587768912. Its totient is φ = 1089058512600.

The previous prime is 1361323140703. The next prime is 1361323140781. The reversal of 1361323140755 is 5570413231631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1361323140755 - 2²⁴ = 1361306363539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136132314071 + ... + 136132314080.

It is an arithmetic number, because the mean of its divisors is an integer number (408396942228).

Almost surely, 2^{1361323140755} is an apocalyptic number.

1361323140755 is a deficient number, since it is larger than the sum of its proper divisors (272264628157).

1361323140755 is an equidigital number, since it uses as much as digits as its factorization.

1361323140755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272264628156.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 1361323140755 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-three million, one hundred forty thousand, seven hundred fifty-five".