13530124145 has 8 divisors (see below), whose sum is σ = 16796016360. Its totient is φ = 10450854400.

The previous prime is 13530124129. The next prime is 13530124183. The reversal of 13530124145 is 54142103531.

It can be written as a sum of positive squares in 4 ways, for example, as 853165681 + 12676958464 = 29209^2 + 112592^2 .

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

It is not a de Polignac number, because 13530124145 - 2⁴ = 13530124129 is a prime.

It is a super-2 number, since 2×13530124145² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

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, 46655456 + ... + 46655745.

It is an arithmetic number, because the mean of its divisors is an integer number (2099502045).

Almost surely, 2^13530124145 is an apocalyptic number.

It is an amenable number.

13530124145 is a deficient number, since it is larger than the sum of its proper divisors (3265892215).

13530124145 is an equidigital number, since it uses as much as digits as its factorization.

13530124145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93311235.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13530124145 its reverse (54142103531), we get a palindrome (67672227676).

The spelling of 13530124145 in words is "thirteen billion, five hundred thirty million, one hundred twenty-four thousand, one hundred forty-five".