13500021135 has 8 divisors (see below), whose sum is σ = 21600033840. Its totient is φ = 7200011264.

The previous prime is 13500021121. The next prime is 13500021137. The reversal of 13500021135 is 53112000531.

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 13500021135 - 2²⁴ = 13483243919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450000690 + ... + 450000719.

It is an arithmetic number, because the mean of its divisors is an integer number (2700004230).

Almost surely, 2^13500021135 is an apocalyptic number.

13500021135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13500021135 is a deficient number, since it is larger than the sum of its proper divisors (8100012705).

13500021135 is an equidigital number, since it uses as much as digits as its factorization.

13500021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900001417.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 13500021135 its reverse (53112000531), we get a palindrome (66612021666).

The spelling of 13500021135 in words is "thirteen billion, five hundred million, twenty-one thousand, one hundred thirty-five".