1346309909 has 4 divisors (see below), whose sum is σ = 1538639904. Its totient is φ = 1153979916.

The previous prime is 1346309897. The next prime is 1346309929. The reversal of 1346309909 is 9099036431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1346309909 - 2⁴ = 1346309893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1346309909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346309929) 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, 96164987 + ... + 96165000.

It is an arithmetic number, because the mean of its divisors is an integer number (384659976).

Almost surely, 2^1346309909 is an apocalyptic number.

It is an amenable number.

1346309909 is a deficient number, since it is larger than the sum of its proper divisors (192329995).

1346309909 is an equidigital number, since it uses as much as digits as its factorization.

1346309909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192329994.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 1346309909 is about 36692.0960017277. The cubic root of 1346309909 is about 1104.2015372480.

The spelling of 1346309909 in words is "one billion, three hundred forty-six million, three hundred nine thousand, nine hundred nine".