13140232504 has 32 divisors (see below), whose sum is σ = 28238364000. Its totient is φ = 5615383680.

The previous prime is 13140232493. The next prime is 13140232507. The reversal of 13140232504 is 40523204131.

It is a super-2 number, since 2×13140232504² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140232507) 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, 316627 + ... + 355714.

It is an arithmetic number, because the mean of its divisors is an integer number (882448875).

Almost surely, 2^13140232504 is an apocalyptic number.

13140232504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13140232504 is an abundant number, since it is smaller than the sum of its proper divisors (15098131496).

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

13140232504 is a wasteful number, since it uses less digits than its factorization.

13140232504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672703 (or 672699 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13140232504 its reverse (40523204131), we get a palindrome (53663436635).

The spelling of 13140232504 in words is "thirteen billion, one hundred forty million, two hundred thirty-two thousand, five hundred four".