1347307345 has 8 divisors (see below), whose sum is σ = 1638916776. Its totient is φ = 1063080576.

The previous prime is 1347307343. The next prime is 1347307349. The reversal of 1347307345 is 5437037431.

It can be written as a sum of positive squares in 4 ways, for example, as 500730129 + 846577216 = 22377^2 + 29096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1347307345 - 2¹ = 1347307343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347307343) 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, 1845262 + ... + 1845991.

It is an arithmetic number, because the mean of its divisors is an integer number (204864597).

Almost surely, 2^1347307345 is an apocalyptic number.

It is an amenable number.

1347307345 is a deficient number, since it is larger than the sum of its proper divisors (291609431).

1347307345 is an equidigital number, since it uses as much as digits as its factorization.

1347307345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691331.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 1347307345 is about 36705.6854587951. The cubic root of 1347307345 is about 1104.4741586010.

The spelling of 1347307345 in words is "one billion, three hundred forty-seven million, three hundred seven thousand, three hundred forty-five".