13780133065 has 8 divisors (see below), whose sum is σ = 16540095240. Its totient is φ = 11021482752.

The previous prime is 13780133047. The next prime is 13780133099. The reversal of 13780133065 is 56033108731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3704791689 + 10075341376 = 60867^2 + 100376^2 .

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 13780133065 - 2¹¹ = 13780131017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304704 + ... + 346993.

It is an arithmetic number, because the mean of its divisors is an integer number (2067511905).

Almost surely, 2^13780133065 is an apocalyptic number.

It is an amenable number.

13780133065 is a deficient number, since it is larger than the sum of its proper divisors (2759962175).

13780133065 is an equidigital number, since it uses as much as digits as its factorization.

13780133065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655931.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 13780133065 in words is "thirteen billion, seven hundred eighty million, one hundred thirty-three thousand, sixty-five".