13180067965 has 8 divisors (see below), whose sum is σ = 15825567960. Its totient is φ = 10537730112.

The previous prime is 13180067963. The next prime is 13180067969. The reversal of 13180067965 is 56976008131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69588964 + 13110479001 = 8342^2 + 114501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13180067965 - 2¹ = 13180067963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13180067963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781354 + ... + 798043.

It is an arithmetic number, because the mean of its divisors is an integer number (1978195995).

Almost surely, 2^13180067965 is an apocalyptic number.

It is an amenable number.

13180067965 is a deficient number, since it is larger than the sum of its proper divisors (2645499995).

13180067965 is a wasteful number, since it uses less digits than its factorization.

13180067965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581071.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 13180067965 in words is "thirteen billion, one hundred eighty million, sixty-seven thousand, nine hundred sixty-five".