13531452454 has 12 divisors (see below), whose sum is σ = 21978602316. Its totient is φ = 6245285592.

The previous prime is 13531452439. The next prime is 13531452469. The reversal of 13531452454 is 45425413531.

It is an interprime number because it is at equal distance from previous prime (13531452439) and next prime (13531452469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20016604 + ... + 20017279.

It is an arithmetic number, because the mean of its divisors is an integer number (1831550193).

Almost surely, 2^13531452454 is an apocalyptic number.

13531452454 is a deficient number, since it is larger than the sum of its proper divisors (8447149862).

13531452454 is a wasteful number, since it uses less digits than its factorization.

13531452454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033911 (or 40033898 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 13531452454 its reverse (45425413531), we get a palindrome (58956865985).

The spelling of 13531452454 in words is "thirteen billion, five hundred thirty-one million, four hundred fifty-two thousand, four hundred fifty-four".