1313505154741 has 4 divisors (see below), whose sum is σ = 1414544012812. Its totient is φ = 1212466296672.

The previous prime is 1313505154739. The next prime is 1313505154823. The reversal of 1313505154741 is 1474515053131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 828700708900 + 484804445841 = 910330^2 + 696279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313505154741 - 2¹ = 1313505154739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313505154694 and 1313505154703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313505154721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50519429016 + ... + 50519429041.

It is an arithmetic number, because the mean of its divisors is an integer number (353636003203).

Almost surely, 2^{1313505154741} is an apocalyptic number.

It is an amenable number.

1313505154741 is a deficient number, since it is larger than the sum of its proper divisors (101038858071).

1313505154741 is a wasteful number, since it uses less digits than its factorization.

1313505154741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101038858070.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 1313505154741 in words is "one trillion, three hundred thirteen billion, five hundred five million, one hundred fifty-four thousand, seven hundred forty-one".