1340533306 has 16 divisors (see below), whose sum is σ = 2305550016. Its totient is φ = 572641056.

The previous prime is 1340533303. The next prime is 1340533319. The reversal of 1340533306 is 6033350431.

It is not an unprimeable number, because it can be changed into a prime (1340533301) by changing a digit.

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, 151651 + ... + 160246.

It is an arithmetic number, because the mean of its divisors is an integer number (144096876).

Almost surely, 2^1340533306 is an apocalyptic number.

1340533306 is a deficient number, since it is larger than the sum of its proper divisors (965016710).

1340533306 is a wasteful number, since it uses less digits than its factorization.

1340533306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312213.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 1340533306 is about 36613.2941156624. The cubic root of 1340533306 is about 1102.6200097319.

Adding to 1340533306 its reverse (6033350431), we get a palindrome (7373883737).

The spelling of 1340533306 in words is "one billion, three hundred forty million, five hundred thirty-three thousand, three hundred six".