1345275684 has 27 divisors (see below), whose sum is σ = 3401114353. Its totient is φ = 448351872.

The previous prime is 1345275643. The next prime is 1345275691. The reversal of 1345275684 is 4865725431.

The square root of 1345275684 is 36678.

It is a perfect power (a square), and thus also a powerful number.

1345275684 is a `hidden beast` number, since 1 + 34 + 52 + 7 + 568 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 743652900 + 601622784 = 27270^2 + 24528^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 217012 + ... + 223124.

Almost surely, 2^1345275684 is an apocalyptic number.

1345275684 is the 36678-th square number.

It is an amenable number.

1345275684 is an abundant number, since it is smaller than the sum of its proper divisors (2055838669).

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

1345275684 is an frugal number, since it uses more digits than its factorization.

1345275684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12236 (or 6118 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The cubic root of 1345275684 is about 1103.9187184172.

The spelling of 1345275684 in words is "one billion, three hundred forty-five million, two hundred seventy-five thousand, six hundred eighty-four".