13130461805 has 16 divisors (see below), whose sum is σ = 16496282880. Its totient is φ = 10019946048.

The previous prime is 13130461793. The next prime is 13130461807. The reversal of 13130461805 is 50816403131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130461805 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130461807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533477 + ... + 557546.

It is an arithmetic number, because the mean of its divisors is an integer number (1031017680).

Almost surely, 2^13130461805 is an apocalyptic number.

It is an amenable number.

13130461805 is a deficient number, since it is larger than the sum of its proper divisors (3365821075).

13130461805 is a wasteful number, since it uses less digits than its factorization.

13130461805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091140.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 13130461805 its reverse (50816403131), we get a palindrome (63946864936).

The spelling of 13130461805 in words is "thirteen billion, one hundred thirty million, four hundred sixty-one thousand, eight hundred five".