13523641534 has 16 divisors (see below), whose sum is σ = 21848913072. Its totient is φ = 6240814848.

The previous prime is 13523641529. The next prime is 13523641553. The reversal of 13523641534 is 43514632531.

It is a junction number, because it is equal to n+sod(n) for n = 13523641493 and 13523641502.

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, 179182 + ... + 243214.

It is an arithmetic number, because the mean of its divisors is an integer number (1365557067).

Almost surely, 2^13523641534 is an apocalyptic number.

13523641534 is a deficient number, since it is larger than the sum of its proper divisors (8325271538).

13523641534 is a wasteful number, since it uses less digits than its factorization.

13523641534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72171.

The product of its digits is 129600, while the sum is 37.

The spelling of 13523641534 in words is "thirteen billion, five hundred twenty-three million, six hundred forty-one thousand, five hundred thirty-four".