13513642235 has 8 divisors (see below), whose sum is σ = 16220971536. Its totient is φ = 10807846560.

The previous prime is 13513642231. The next prime is 13513642243. The reversal of 13513642235 is 53224631531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13513642235 - 2² = 13513642231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13513642195 and 13513642204.

It is not an unprimeable number, because it can be changed into a prime (13513642231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363929 + ... + 399338.

It is an arithmetic number, because the mean of its divisors is an integer number (2027621442).

Almost surely, 2^13513642235 is an apocalyptic number.

13513642235 is a deficient number, since it is larger than the sum of its proper divisors (2707329301).

13513642235 is an equidigital number, since it uses as much as digits as its factorization.

13513642235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766813.

The product of its digits is 64800, while the sum is 35.

The spelling of 13513642235 in words is "thirteen billion, five hundred thirteen million, six hundred forty-two thousand, two hundred thirty-five".