1345113328 has 40 divisors (see below), whose sum is σ = 2817663408. Its totient is φ = 618381312.

The previous prime is 1345113323. The next prime is 1345113331. The reversal of 1345113328 is 8233115431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345113328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345113323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40875 + ... + 66037.

Almost surely, 2^1345113328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345113328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408831704).

1345113328 is an abundant number, since it is smaller than the sum of its proper divisors (1472550080).

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

1345113328 is a wasteful number, since it uses less digits than its factorization.

1345113328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441 (or 25435 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1345113328 is about 36675.7866718629. The cubic root of 1345113328 is about 1103.8743074363.

Adding to 1345113328 its reverse (8233115431), we get a palindrome (9578228759).

The spelling of 1345113328 in words is "one billion, three hundred forty-five million, one hundred thirteen thousand, three hundred twenty-eight".