13535521002 has 12 divisors (see below), whose sum is σ = 29326962210. Its totient is φ = 4511840328.

The previous prime is 13535520997. The next prime is 13535521031. The reversal of 13535521002 is 20012553531.

It is a happy number.

13535521002 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 552 + 100 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10356929361 + 3178591641 = 101769^2 + 56379^2 .

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, 375986677 + ... + 375986712.

Almost surely, 2^13535521002 is an apocalyptic number.

13535521002 is an abundant number, since it is smaller than the sum of its proper divisors (15791441208).

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

13535521002 is a wasteful number, since it uses less digits than its factorization.

13535521002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751973397 (or 751973394 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13535521002 in words is "thirteen billion, five hundred thirty-five million, five hundred twenty-one thousand, two".