13235435125013 has 8 divisors (see below), whose sum is σ = 13241625593400. Its totient is φ = 13229245149120.

The previous prime is 13235435125009. The next prime is 13235435125019. The reversal of 13235435125013 is 31052153453231.

It can be written as a sum of positive squares in 4 ways, for example, as 252975803089 + 12982459321924 = 502967^2 + 3603118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13235435125013 - 2² = 13235435125009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235435125019) 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, 60562463 + ... + 60780611.

It is an arithmetic number, because the mean of its divisors is an integer number (1655203199175).

Almost surely, 2^{13235435125013} is an apocalyptic number.

It is an amenable number.

13235435125013 is a deficient number, since it is larger than the sum of its proper divisors (6190468387).

13235435125013 is a wasteful number, since it uses less digits than its factorization.

13235435125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246247.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 13235435125013 its reverse (31052153453231), we get a palindrome (44287588578244).

The spelling of 13235435125013 in words is "thirteen trillion, two hundred thirty-five billion, four hundred thirty-five million, one hundred twenty-five thousand, thirteen".