13521134301 has 4 divisors (see below), whose sum is σ = 18028179072. Its totient is φ = 9014089532.

The previous prime is 13521134213. The next prime is 13521134309. The reversal of 13521134301 is 10343112531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10343112531 = 3 ⋅3447704177.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13521134301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521134309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253522381 + ... + 2253522386.

It is an arithmetic number, because the mean of its divisors is an integer number (4507044768).

Almost surely, 2^13521134301 is an apocalyptic number.

It is an amenable number.

13521134301 is a deficient number, since it is larger than the sum of its proper divisors (4507044771).

13521134301 is an equidigital number, since it uses as much as digits as its factorization.

13521134301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507044770.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13521134301 its reverse (10343112531), we get a palindrome (23864246832).

The spelling of 13521134301 in words is "thirteen billion, five hundred twenty-one million, one hundred thirty-four thousand, three hundred one".