13523532135 has 16 divisors (see below), whose sum is σ = 21808029696. Its totient is φ = 7155757728.

The previous prime is 13523532109. The next prime is 13523532137. The reversal of 13523532135 is 53123532531.

It is not a de Polignac number, because 13523532135 - 2¹⁶ = 13523466599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13523532096 and 13523532105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523532137) 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, 3547579 + ... + 3551388.

It is an arithmetic number, because the mean of its divisors is an integer number (1363001856).

Almost surely, 2^13523532135 is an apocalyptic number.

13523532135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13523532135 is a deficient number, since it is larger than the sum of its proper divisors (8284497561).

13523532135 is a wasteful number, since it uses less digits than its factorization.

13523532135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099102.

The product of its digits is 40500, while the sum is 33.

The spelling of 13523532135 in words is "thirteen billion, five hundred twenty-three million, five hundred thirty-two thousand, one hundred thirty-five".