13530144152 has 32 divisors (see below), whose sum is σ = 29002864800. Its totient is φ = 5796693504.

The previous prime is 13530144149. The next prime is 13530144163. The reversal of 13530144152 is 25144103531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135248 + ... + 212960.

It is an arithmetic number, because the mean of its divisors is an integer number (906339525).

Almost surely, 2^13530144152 is an apocalyptic number.

It is an amenable number.

13530144152 is an abundant number, since it is smaller than the sum of its proper divisors (15472720648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13530144152 is a wasteful number, since it uses less digits than its factorization.

13530144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80835 (or 80831 counting only the distinct ones).

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

Adding to 13530144152 its reverse (25144103531), we get a palindrome (38674247683).

The spelling of 13530144152 in words is "thirteen billion, five hundred thirty million, one hundred forty-four thousand, one hundred fifty-two".