13535665242 has 48 divisors (see below), whose sum is σ = 29771464800. Its totient is φ = 4099597920.

The previous prime is 13535665229. The next prime is 13535665271. The reversal of 13535665242 is 24256653531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13535665194 and 13535665203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1944384 + ... + 1951332.

It is an arithmetic number, because the mean of its divisors is an integer number (620238850).

Almost surely, 2^13535665242 is an apocalyptic number.

13535665242 is an abundant number, since it is smaller than the sum of its proper divisors (16235799558).

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

13535665242 is a wasteful number, since it uses less digits than its factorization.

13535665242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659 (or 9648 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 13535665242 in words is "thirteen billion, five hundred thirty-five million, six hundred sixty-five thousand, two hundred forty-two".