13645313535 has 32 divisors (see below), whose sum is σ = 24985336320. Its totient is φ = 6229381248.

The previous prime is 13645313533. The next prime is 13645313557. The reversal of 13645313535 is 53531354631.

It is not a de Polignac number, because 13645313535 - 2¹ = 13645313533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13645313493 and 13645313502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13645313533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10332 + ... + 165521.

It is an arithmetic number, because the mean of its divisors is an integer number (780791760).

Almost surely, 2^13645313535 is an apocalyptic number.

13645313535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13645313535 is a deficient number, since it is larger than the sum of its proper divisors (11340022785).

13645313535 is a wasteful number, since it uses less digits than its factorization.

13645313535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176607.

The product of its digits is 243000, while the sum is 39.

The spelling of 13645313535 in words is "thirteen billion, six hundred forty-five million, three hundred thirteen thousand, five hundred thirty-five".