1361260113 has 4 divisors (see below), whose sum is σ = 1815013488. Its totient is φ = 907506740.

The previous prime is 1361260063. The next prime is 1361260141. The reversal of 1361260113 is 3110621631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361260113 - 2⁶ = 1361260049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361260183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226876683 + ... + 226876688.

It is an arithmetic number, because the mean of its divisors is an integer number (453753372).

Almost surely, 2^1361260113 is an apocalyptic number.

It is an amenable number.

1361260113 is a deficient number, since it is larger than the sum of its proper divisors (453753375).

1361260113 is an equidigital number, since it uses as much as digits as its factorization.

1361260113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453753374.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1361260113 is about 36895.2586791311. The cubic root of 1361260113 is about 1108.2737317690.

Adding to 1361260113 its reverse (3110621631), we get a palindrome (4471881744).

The spelling of 1361260113 in words is "one billion, three hundred sixty-one million, two hundred sixty thousand, one hundred thirteen".