1340738066 has 8 divisors (see below), whose sum is σ = 2045193840. Its totient is φ = 659006788.

The previous prime is 1340738053. The next prime is 1340738129. The reversal of 1340738066 is 6608370431.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680976 + ... + 5681211.

It is an arithmetic number, because the mean of its divisors is an integer number (255649230).

Almost surely, 2^1340738066 is an apocalyptic number.

1340738066 is a deficient number, since it is larger than the sum of its proper divisors (704455774).

1340738066 is a wasteful number, since it uses less digits than its factorization.

1340738066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362248.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1340738066 is about 36616.0902609768. The cubic root of 1340738066 is about 1102.6761468374.

The spelling of 1340738066 in words is "one billion, three hundred forty million, seven hundred thirty-eight thousand, sixty-six".