1323134040 has 32 divisors (see below), whose sum is σ = 3969402480. Its totient is φ = 352835712.

The previous prime is 1323134017. The next prime is 1323134047. The reversal of 1323134040 is 404313231.

It is a junction number, because it is equal to n+sod(n) for n = 1323133998 and 1323134016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323134047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512939 + ... + 5513178.

Almost surely, 2^1323134040 is an apocalyptic number.

1323134040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323134040 is an abundant number, since it is smaller than the sum of its proper divisors (2646268440).

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

1323134040 is a wasteful number, since it uses less digits than its factorization.

1323134040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026131 (or 11026127 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1323134040 is about 36374.9094844235. The cubic root of 1323134040 is about 1097.8287860812.

Adding to 1323134040 its reverse (404313231), we get a palindrome (1727447271).

The spelling of 1323134040 in words is "one billion, three hundred twenty-three million, one hundred thirty-four thousand, forty".