13534540523 has 8 divisors (see below), whose sum is σ = 15469590240. Its totient is φ = 11599876800.

The previous prime is 13534540477. The next prime is 13534540559. The reversal of 13534540523 is 32504543531.

It is a happy number.

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 13534540523 - 2²⁸ = 13266105067 is a prime.

It is a super-2 number, since 2×13534540523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13534540223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16988 + ... + 165401.

It is an arithmetic number, because the mean of its divisors is an integer number (1933698780).

Almost surely, 2^13534540523 is an apocalyptic number.

13534540523 is a deficient number, since it is larger than the sum of its proper divisors (1935049717).

13534540523 is a wasteful number, since it uses less digits than its factorization.

13534540523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192997.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 13534540523 in words is "thirteen billion, five hundred thirty-four million, five hundred forty thousand, five hundred twenty-three".