1340808134 has 8 divisors (see below), whose sum is σ = 2013403440. Its totient is φ = 669673656.

The previous prime is 1340808113. The next prime is 1340808143. The reversal of 1340808134 is 4318080431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1340808134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362909 + ... + 366584.

It is an arithmetic number, because the mean of its divisors is an integer number (251675430).

Almost surely, 2^1340808134 is an apocalyptic number.

1340808134 is a deficient number, since it is larger than the sum of its proper divisors (672595306).

1340808134 is an equidigital number, since it uses as much as digits as its factorization.

1340808134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730414.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1340808134 is about 36617.0470409617. The cubic root of 1340808134 is about 1102.6953554033.

Adding to 1340808134 its reverse (4318080431), we get a palindrome (5658888565).

The spelling of 1340808134 in words is "one billion, three hundred forty million, eight hundred eight thousand, one hundred thirty-four".