13530021013 has 8 divisors (see below), whose sum is σ = 14329344960. Its totient is φ = 12731079360.

The previous prime is 13530021007. The next prime is 13530021017. The reversal of 13530021013 is 31012003531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530021013 is a prime.

It is a super-2 number, since 2×13530021013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530021017) 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, 21033 + ... + 165838.

It is an arithmetic number, because the mean of its divisors is an integer number (1791168120).

Almost surely, 2^13530021013 is an apocalyptic number.

It is an amenable number.

13530021013 is a deficient number, since it is larger than the sum of its proper divisors (799323947).

13530021013 is a wasteful number, since it uses less digits than its factorization.

13530021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191147.

The product of its (nonzero) digits is 270, while the sum is 19.

Adding to 13530021013 its reverse (31012003531), we get a palindrome (44542024544).

The spelling of 13530021013 in words is "thirteen billion, five hundred thirty million, twenty-one thousand, thirteen".