13531142152 has 32 divisors (see below), whose sum is σ = 27700041600. Its totient is φ = 6145473600.

The previous prime is 13531142143. The next prime is 13531142159. The reversal of 13531142152 is 25124113531.

It is a super-2 number, since 2×13531142152² (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 13531142152.

It is not an unprimeable number, because it can be changed into a prime (13531142159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45874 + ... + 170782.

It is an arithmetic number, because the mean of its divisors is an integer number (865626300).

Almost surely, 2^13531142152 is an apocalyptic number.

It is an amenable number.

13531142152 is an abundant number, since it is smaller than the sum of its proper divisors (14168899448).

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

13531142152 is a wasteful number, since it uses less digits than its factorization.

13531142152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126157 (or 126153 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 13531142152 its reverse (25124113531), we get a palindrome (38655255683).

The spelling of 13531142152 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, one hundred fifty-two".