1340223342 has 16 divisors (see below), whose sum is σ = 2772876240. Its totient is φ = 431336192.

The previous prime is 1340223323. The next prime is 1340223397. The reversal of 1340223342 is 2433220431.

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 7 ways as a sum of consecutive naturals, for example, 3851043 + ... + 3851390.

It is an arithmetic number, because the mean of its divisors is an integer number (173304765).

Almost surely, 2^1340223342 is an apocalyptic number.

1340223342 is an abundant number, since it is smaller than the sum of its proper divisors (1432652898).

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

1340223342 is a wasteful number, since it uses less digits than its factorization.

1340223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702467.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1340223342 is about 36609.0609275900. The cubic root of 1340223342 is about 1102.5350189668.

Adding to 1340223342 its reverse (2433220431), we get a palindrome (3773443773).

The spelling of 1340223342 in words is "one billion, three hundred forty million, two hundred twenty-three thousand, three hundred forty-two".