13540034531 has 4 divisors (see below), whose sum is σ = 13547655912. Its totient is φ = 13532413152.

The previous prime is 13540034479. The next prime is 13540034533. The reversal of 13540034531 is 13543004531.

13540034531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13540034531 - 2²⁶ = 13472925667 is a prime.

It is a super-2 number, since 2×13540034531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13540034494 and 13540034503.

It is not an unprimeable number, because it can be changed into a prime (13540034533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808025 + ... + 3811578.

It is an arithmetic number, because the mean of its divisors is an integer number (3386913978).

Almost surely, 2^13540034531 is an apocalyptic number.

13540034531 is a deficient number, since it is larger than the sum of its proper divisors (7621381).

13540034531 is an equidigital number, since it uses as much as digits as its factorization.

13540034531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621380.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13540034531 in words is "thirteen billion, five hundred forty million, thirty-four thousand, five hundred thirty-one".