13525135435 has 16 divisors (see below), whose sum is σ = 18570442176. Its totient is φ = 9263536128.

The previous prime is 13525135423. The next prime is 13525135439. The reversal of 13525135435 is 53453152531.

It is not a de Polignac number, because 13525135435 - 2⁷ = 13525135307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13525135394 and 13525135403.

It is not an unprimeable number, because it can be changed into a prime (13525135439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195462 + ... + 255451.

It is an arithmetic number, because the mean of its divisors is an integer number (1160652636).

Almost surely, 2^13525135435 is an apocalyptic number.

13525135435 is a deficient number, since it is larger than the sum of its proper divisors (5045306741).

13525135435 is an equidigital number, since it uses as much as digits as its factorization.

13525135435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451782.

The product of its digits is 135000, while the sum is 37.

Adding to 13525135435 its reverse (53453152531), we get a palindrome (66978287966).

The spelling of 13525135435 in words is "thirteen billion, five hundred twenty-five million, one hundred thirty-five thousand, four hundred thirty-five".