1340814330 has 32 divisors (see below), whose sum is σ = 3575505600. Its totient is φ = 357550416.

The previous prime is 1340814329. The next prime is 1340814331. The reversal of 1340814330 is 334180431.

It is an interprime number because it is at equal distance from previous prime (1340814329) and next prime (1340814331).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1340814294 and 1340814303.

It is not an unprimeable number, because it can be changed into a prime (1340814331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482720 + ... + 2483259.

It is an arithmetic number, because the mean of its divisors is an integer number (111734550).

Almost surely, 2^1340814330 is an apocalyptic number.

1340814330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340814330 is an abundant number, since it is smaller than the sum of its proper divisors (2234691270).

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

1340814330 is a wasteful number, since it uses less digits than its factorization.

1340814330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965995 (or 4965989 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1340814330 is about 36617.1316462663. The cubic root of 1340814330 is about 1102.6970539535.

Adding to 1340814330 its reverse (334180431), we get a palindrome (1674994761).

The spelling of 1340814330 in words is "one billion, three hundred forty million, eight hundred fourteen thousand, three hundred thirty".