13530311405 has 8 divisors (see below), whose sum is σ = 17485325592. Its totient is φ = 9991614528.

The previous prime is 13530311387. The next prime is 13530311423. The reversal of 13530311405 is 50411303531.

It is an interprime number because it is at equal distance from previous prime (13530311387) and next prime (13530311423).

It can be written as a sum of positive squares in 4 ways, for example, as 434281 + 13529877124 = 659^2 + 116318^2 .

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 13530311405 - 2¹⁴ = 13530295021 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 104079254 + ... + 104079383.

It is an arithmetic number, because the mean of its divisors is an integer number (2185665699).

Almost surely, 2^13530311405 is an apocalyptic number.

It is an amenable number.

13530311405 is a deficient number, since it is larger than the sum of its proper divisors (3955014187).

13530311405 is a wasteful number, since it uses less digits than its factorization.

13530311405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208158655.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13530311405 its reverse (50411303531), we get a palindrome (63941614936).

The spelling of 13530311405 in words is "thirteen billion, five hundred thirty million, three hundred eleven thousand, four hundred five".