13134140 has 12 divisors (see below), whose sum is σ = 27581736. Its totient is φ = 5253648.

The previous prime is 13134139. The next prime is 13134157. The reversal of 13134140 is 4143131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328334 + ... + 328373.

It is an arithmetic number, because the mean of its divisors is an integer number (2298478).

Almost surely, 2^13134140 is an apocalyptic number.

13134140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13134140 is an abundant number, since it is smaller than the sum of its proper divisors (14447596).

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

13134140 is a wasteful number, since it uses less digits than its factorization.

13134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656716 (or 656714 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13134140 is about 3624.1054068556. The cubic root of 13134140 is about 235.9394415144.

Adding to 13134140 its reverse (4143131), we get a palindrome (17277271).

The spelling of 13134140 in words is "thirteen million, one hundred thirty-four thousand, one hundred forty".