1309340107 has 4 divisors (see below), whose sum is σ = 1318759960. Its totient is φ = 1299920256.

The previous prime is 1309340093. The next prime is 1309340129. The reversal of 1309340107 is 7010439031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1309340107 - 2¹¹ = 1309338059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1309340507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709718 + ... + 4709995.

It is an arithmetic number, because the mean of its divisors is an integer number (329689990).

Almost surely, 2^1309340107 is an apocalyptic number.

1309340107 is a deficient number, since it is larger than the sum of its proper divisors (9419853).

1309340107 is an equidigital number, since it uses as much as digits as its factorization.

1309340107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419852.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1309340107 is about 36184.8049186395. The cubic root of 1309340107 is about 1094.0004241738. Note that the first 3 decimals are identical.

Adding to 1309340107 its reverse (7010439031), we get a palindrome (8319779138).

The spelling of 1309340107 in words is "one billion, three hundred nine million, three hundred forty thousand, one hundred seven".