1345066560 has 140 divisors (see below), whose sum is σ = 4784730588. Its totient is φ = 358677504.

The previous prime is 1345066517. The next prime is 1345066577. The reversal of 1345066560 is 656605431.

1345066560 is a `hidden beast` number, since 1 + 34 + 5 + 0 + 66 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 267126336 + 1077940224 = 16344^2 + 32832^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27 + ... + 51866.

Almost surely, 2^1345066560 is an apocalyptic number.

1345066560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345066560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392365294).

1345066560 is an abundant number, since it is smaller than the sum of its proper divisors (3439664028).

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

1345066560 is an equidigital number, since it uses as much as digits as its factorization.

1345066560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51922 (or 51903 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1345066560 is about 36675.1490794516. The cubic root of 1345066560 is about 1103.8615138199.

The spelling of 1345066560 in words is "one billion, three hundred forty-five million, sixty-six thousand, five hundred sixty".