13530420535 has 4 divisors (see below), whose sum is σ = 16236504648. Its totient is φ = 10824336424.

The previous prime is 13530420529. The next prime is 13530420559. The reversal of 13530420535 is 53502403531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53502403531 = 239 ⋅223859429.

It is a cyclic number.

It is not a de Polignac number, because 13530420535 - 2⁹ = 13530420023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13530420497 and 13530420506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353042049 + ... + 1353042058.

It is an arithmetic number, because the mean of its divisors is an integer number (4059126162).

Almost surely, 2^13530420535 is an apocalyptic number.

13530420535 is a deficient number, since it is larger than the sum of its proper divisors (2706084113).

13530420535 is an equidigital number, since it uses as much as digits as its factorization.

13530420535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706084112.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 13530420535 in words is "thirteen billion, five hundred thirty million, four hundred twenty thousand, five hundred thirty-five".