13202135452 has 24 divisors (see below), whose sum is σ = 25332032880. Its totient is φ = 5970504960.

The previous prime is 13202135393. The next prime is 13202135467. The reversal of 13202135452 is 25453120231.

It is a self number, because there is not a number n which added to its sum of digits gives 13202135452.

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, 752877 + ... + 770212.

It is an arithmetic number, because the mean of its divisors is an integer number (1055501370).

Almost surely, 2^13202135452 is an apocalyptic number.

It is an amenable number.

13202135452 is a deficient number, since it is larger than the sum of its proper divisors (12129897428).

13202135452 is a wasteful number, since it uses less digits than its factorization.

13202135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523301 (or 1523299 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13202135452 its reverse (25453120231), we get a palindrome (38655255683).

The spelling of 13202135452 in words is "thirteen billion, two hundred two million, one hundred thirty-five thousand, four hundred fifty-two".