1340230330 has 8 divisors (see below), whose sum is σ = 2412414612. Its totient is φ = 536092128.

The previous prime is 1340230327. The next prime is 1340230337. The reversal of 1340230330 is 330320431.

It can be written as a sum of positive squares in 2 ways, for example, as 1340218881 + 11449 = 36609^2 + 107^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1340230298 and 1340230307.

It is not an unprimeable number, because it can be changed into a prime (1340230337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67011507 + ... + 67011526.

Almost surely, 2^1340230330 is an apocalyptic number.

1340230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340230330 is a deficient number, since it is larger than the sum of its proper divisors (1072184282).

1340230330 is a wasteful number, since it uses less digits than its factorization.

1340230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134023040.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1340230330 is about 36609.1563683186. The cubic root of 1340230330 is about 1102.5369351900.

Adding to 1340230330 its reverse (330320431), we get a palindrome (1670550761).

The spelling of 1340230330 in words is "one billion, three hundred forty million, two hundred thirty thousand, three hundred thirty".