13146864132 has 24 divisors (see below), whose sum is σ = 30689366400. Its totient is φ = 4380380896.

The previous prime is 13146864113. The next prime is 13146864139. The reversal of 13146864132 is 23146864131.

It is a happy number.

It is a super-2 number, since 2×13146864132² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13146864139) 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, 209532 + ... + 264947.

It is an arithmetic number, because the mean of its divisors is an integer number (1278723600).

Almost surely, 2^13146864132 is an apocalyptic number.

13146864132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13146864132 is an abundant number, since it is smaller than the sum of its proper divisors (17542502268).

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

13146864132 is a wasteful number, since it uses less digits than its factorization.

13146864132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476795 (or 476793 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

Subtracting 13146864132 from its reverse (23146864131), we obtain a palindrome (9999999999).

The spelling of 13146864132 in words is "thirteen billion, one hundred forty-six million, eight hundred sixty-four thousand, one hundred thirty-two".