1337349509 has 4 divisors (see below), whose sum is σ = 1343346816. Its totient is φ = 1331352204.

The previous prime is 1337349491. The next prime is 1337349551. The reversal of 1337349509 is 9059437331.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9059437331 = 7 ⋅1294205333.

It is a cyclic number.

It is not a de Polignac number, because 1337349509 - 2¹² = 1337345413 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 1337349509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1337349589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998319 + ... + 2998764.

It is an arithmetic number, because the mean of its divisors is an integer number (335836704).

Almost surely, 2^1337349509 is an apocalyptic number.

It is an amenable number.

1337349509 is a deficient number, since it is larger than the sum of its proper divisors (5997307).

1337349509 is an equidigital number, since it uses as much as digits as its factorization.

1337349509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997306.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 1337349509 is about 36569.7895673464. The cubic root of 1337349509 is about 1101.7464019115.

The spelling of 1337349509 in words is "one billion, three hundred thirty-seven million, three hundred forty-nine thousand, five hundred nine".