1340304111 has 16 divisors (see below), whose sum is σ = 1992815200. Its totient is φ = 890305344.

The previous prime is 1340304103. The next prime is 1340304143. The reversal of 1340304111 is 1114030431.

It is not a de Polignac number, because 1340304111 - 2³ = 1340304103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340304101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82126 + ... + 97083.

It is an arithmetic number, because the mean of its divisors is an integer number (124550950).

Almost surely, 2^1340304111 is an apocalyptic number.

1340304111 is a deficient number, since it is larger than the sum of its proper divisors (652511089).

1340304111 is a wasteful number, since it uses less digits than its factorization.

1340304111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179495 (or 179489 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1340304111 is about 36610.1640395123. The cubic root of 1340304111 is about 1102.5571667336.

Adding to 1340304111 its reverse (1114030431), we get a palindrome (2454334542).

The spelling of 1340304111 in words is "one billion, three hundred forty million, three hundred four thousand, one hundred eleven".