1340313215 has 16 divisors (see below), whose sum is σ = 1632943200. Its totient is φ = 1055918592.

The previous prime is 1340313193. The next prime is 1340313287. The reversal of 1340313215 is 5123130431.

It is a cyclic number.

It is not a de Polignac number, because 1340313215 - 2⁶ = 1340313151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267251 + ... + 272219.

It is an arithmetic number, because the mean of its divisors is an integer number (102058950).

Almost surely, 2^1340313215 is an apocalyptic number.

1340313215 is a deficient number, since it is larger than the sum of its proper divisors (292629985).

1340313215 is an equidigital number, since it uses as much as digits as its factorization.

1340313215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1340313215 is about 36610.2883763567. The cubic root of 1340313215 is about 1102.5596630968.

Adding to 1340313215 its reverse (5123130431), we get a palindrome (6463443646).

The spelling of 1340313215 in words is "one billion, three hundred forty million, three hundred thirteen thousand, two hundred fifteen".