13535402052 has 12 divisors (see below), whose sum is σ = 31582604816. Its totient is φ = 4511800680.

The previous prime is 13535402021. The next prime is 13535402059. The reversal of 13535402052 is 25020453531.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13535402059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563975074 + ... + 563975097.

Almost surely, 2^13535402052 is an apocalyptic number.

13535402052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13535402052 is an abundant number, since it is smaller than the sum of its proper divisors (18047202764).

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

13535402052 is a wasteful number, since it uses less digits than its factorization.

13535402052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127950178 (or 1127950176 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 13535402052 its reverse (25020453531), we get a palindrome (38555855583).

The spelling of 13535402052 in words is "thirteen billion, five hundred thirty-five million, four hundred two thousand, fifty-two".