13565144530 has 16 divisors (see below), whose sum is σ = 27905440320. Its totient is φ = 4650906672.

The previous prime is 13565144507. The next prime is 13565144533. The reversal of 13565144530 is 3544156531.

13565144530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13565144530² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13565144530.

It is not an unprimeable number, because it can be changed into a prime (13565144533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96893820 + ... + 96893959.

It is an arithmetic number, because the mean of its divisors is an integer number (1744090020).

Almost surely, 2^13565144530 is an apocalyptic number.

13565144530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13565144530 is an abundant number, since it is smaller than the sum of its proper divisors (14340295790).

13565144530 is a wasteful number, since it uses less digits than its factorization.

13565144530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193787793.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13565144530 in words is "thirteen billion, five hundred sixty-five million, one hundred forty-four thousand, five hundred thirty".