13135230052 has 12 divisors (see below), whose sum is σ = 26270460160. Its totient is φ = 5629384296.

The previous prime is 13135230041. The next prime is 13135230109. The reversal of 13135230052 is 25003253131.

13135230052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13135229999 and 13135230026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234557652 + ... + 234557707.

Almost surely, 2^13135230052 is an apocalyptic number.

It is an amenable number.

13135230052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13135230052 is a wasteful number, since it uses less digits than its factorization.

13135230052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469115370 (or 469115368 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13135230052 its reverse (25003253131), we get a palindrome (38138483183).

The spelling of 13135230052 in words is "thirteen billion, one hundred thirty-five million, two hundred thirty thousand, fifty-two".