1345268928 has 42 divisors (see below), whose sum is σ = 3560702556. Its totient is φ = 448253568.

The previous prime is 1345268891. The next prime is 1345268941. The reversal of 1345268928 is 8298625431.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506901 + ... + 509547.

Almost surely, 2^1345268928 is an apocalyptic number.

It is an amenable number.

1345268928 is an abundant number, since it is smaller than the sum of its proper divisors (2215433628).

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

1345268928 is an frugal number, since it uses more digits than its factorization.

1345268928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309 (or 2652 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 1345268928 is about 36677.9079010785. The cubic root of 1345268928 is about 1103.9168704472.

Multiplying 1345268928 by its sum of digits (48), we get a square (64572908544 = 254112²).

1345268928 divided by its sum of digits (48) gives a square (28026436 = 5294²).

The spelling of 1345268928 in words is "one billion, three hundred forty-five million, two hundred sixty-eight thousand, nine hundred twenty-eight".