1340130234 has 16 divisors (see below), whose sum is σ = 2684727360. Its totient is φ = 445965600.

The previous prime is 1340130229. The next prime is 1340130241. The reversal of 1340130234 is 4320310431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340130234.

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 7 ways as a sum of consecutive naturals, for example, 182214 + ... + 189425.

It is an arithmetic number, because the mean of its divisors is an integer number (167795460).

Almost surely, 2^1340130234 is an apocalyptic number.

1340130234 is an abundant number, since it is smaller than the sum of its proper divisors (1344597126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340130234 is a wasteful number, since it uses less digits than its factorization.

1340130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372245.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340130234 is about 36607.7892531084. The cubic root of 1340130234 is about 1102.5094866034.

Adding to 1340130234 its reverse (4320310431), we get a palindrome (5660440665).

The spelling of 1340130234 in words is "one billion, three hundred forty million, one hundred thirty thousand, two hundred thirty-four".