1340334215 has 32 divisors (see below), whose sum is σ = 1796256000. Its totient is φ = 951934720.

The previous prime is 1340334187. The next prime is 1340334221. The reversal of 1340334215 is 5124330431.

It is not a de Polignac number, because 1340334215 - 2⁸ = 1340333959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 404636 + ... + 407934.

It is an arithmetic number, because the mean of its divisors is an integer number (56133000).

Almost surely, 2^1340334215 is an apocalyptic number.

1340334215 is a deficient number, since it is larger than the sum of its proper divisors (455921785).

1340334215 is a wasteful number, since it uses less digits than its factorization.

1340334215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1340334215 is about 36610.5751798575. The cubic root of 1340334215 is about 1102.5654213608.

Adding to 1340334215 its reverse (5124330431), we get a palindrome (6464664646).

The spelling of 1340334215 in words is "one billion, three hundred forty million, three hundred thirty-four thousand, two hundred fifteen".