1340305414 has 32 divisors (see below), whose sum is σ = 2329721856. Its totient is φ = 566429760.

The previous prime is 1340305363. The next prime is 1340305493. The reversal of 1340305414 is 4145030431.

It is a super-2 number, since 2×1340305414² = 3592837205595422792, which contains 22 as substring.

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, 1088179 + ... + 1089409.

It is an arithmetic number, because the mean of its divisors is an integer number (72803808).

Almost surely, 2^1340305414 is an apocalyptic number.

1340305414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340305414 is a deficient number, since it is larger than the sum of its proper divisors (989416442).

1340305414 is a wasteful number, since it uses less digits than its factorization.

1340305414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1340305414 is about 36610.1818351125. The cubic root of 1340305414 is about 1102.5575240235.

Adding to 1340305414 its reverse (4145030431), we get a palindrome (5485335845).

The spelling of 1340305414 in words is "one billion, three hundred forty million, three hundred five thousand, four hundred fourteen".