1236341341513 has 4 divisors (see below), whose sum is σ = 1236344028948. Its totient is φ = 1236338654080.

The previous prime is 1236341341507. The next prime is 1236341341549. The reversal of 1236341341513 is 3151431436321.

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 150270971904 + 1086070369609 = 387648^2 + 1042147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1236341341513 - 2¹³ = 1236341333321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1236341341583) 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, 459856 + ... + 1638337.

It is an arithmetic number, because the mean of its divisors is an integer number (309086007237).

Almost surely, 2^{1236341341513} is an apocalyptic number.

It is an amenable number.

1236341341513 is a deficient number, since it is larger than the sum of its proper divisors (2687435).

1236341341513 is an equidigital number, since it uses as much as digits as its factorization.

1236341341513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687434.

The product of its digits is 77760, while the sum is 37.

Adding to 1236341341513 its reverse (3151431436321), we get a palindrome (4387772777834).

The spelling of 1236341341513 in words is "one trillion, two hundred thirty-six billion, three hundred forty-one million, three hundred forty-one thousand, five hundred thirteen".