13542523531 has 8 divisors (see below), whose sum is σ = 13575903264. Its totient is φ = 13509175680.

The previous prime is 13542523529. The next prime is 13542523567. The reversal of 13542523531 is 13532524531.

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 13542523531 - 2¹ = 13542523529 is a prime.

It is a super-2 number, since 2×13542523531² (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 (13542523591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992451 + ... + 1006003.

It is an arithmetic number, because the mean of its divisors is an integer number (1696987908).

Almost surely, 2^13542523531 is an apocalyptic number.

13542523531 is a deficient number, since it is larger than the sum of its proper divisors (33379733).

13542523531 is a wasteful number, since it uses less digits than its factorization.

13542523531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15941.

The product of its digits is 54000, while the sum is 34.

The spelling of 13542523531 in words is "thirteen billion, five hundred forty-two million, five hundred twenty-three thousand, five hundred thirty-one".