13530344132 has 24 divisors (see below), whose sum is σ = 25253948664. Its totient is φ = 6320740352.

The previous prime is 13530344131. The next prime is 13530344143. The reversal of 13530344132 is 23144303531.

It can be written as a sum of positive squares in 4 ways, for example, as 5048670916 + 8481673216 = 71054^2 + 92096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13530344095 and 13530344104.

It is not an unprimeable number, because it can be changed into a prime (13530344131) 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, 716873 + ... + 735504.

It is an arithmetic number, because the mean of its divisors is an integer number (1052247861).

Almost surely, 2^13530344132 is an apocalyptic number.

It is an amenable number.

13530344132 is a deficient number, since it is larger than the sum of its proper divisors (11723604532).

13530344132 is a wasteful number, since it uses less digits than its factorization.

13530344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452535 (or 1452533 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13530344132 its reverse (23144303531), we get a palindrome (36674647663).

The spelling of 13530344132 in words is "thirteen billion, five hundred thirty million, three hundred forty-four thousand, one hundred thirty-two".