13520350235 has 12 divisors (see below), whose sum is σ = 18873305568. Its totient is φ = 9271097136.

The previous prime is 13520350231. The next prime is 13520350237. The reversal of 13520350235 is 53205302531.

It is not a de Polignac number, because 13520350235 - 2² = 13520350231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13520350198 and 13520350207.

It is not an unprimeable number, because it can be changed into a prime (13520350231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27592307 + ... + 27592796.

It is an arithmetic number, because the mean of its divisors is an integer number (1572775464).

Almost surely, 2^13520350235 is an apocalyptic number.

13520350235 is a deficient number, since it is larger than the sum of its proper divisors (5352955333).

13520350235 is an equidigital number, since it uses as much as digits as its factorization.

13520350235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55185122 (or 55185115 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 13520350235 its reverse (53205302531), we get a palindrome (66725652766).

The spelling of 13520350235 in words is "thirteen billion, five hundred twenty million, three hundred fifty thousand, two hundred thirty-five".