1340066 has 32 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 513216.

The previous prime is 1340047. The next prime is 1340069. The reversal of 1340066 is 6600431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1340069) 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, 6635 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

2^1340066 is an apocalyptic number.

1340066 is a deficient number, since it is larger than the sum of its proper divisors (1213534).

1340066 is a wasteful number, since it uses less digits than its factorization.

1340066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1340066 is about 1157.6121975860. The cubic root of 1340066 is about 110.2491871468.

Adding to 1340066 its reverse (6600431), we get a palindrome (7940497).

The spelling of 1340066 in words is "one million, three hundred forty thousand, sixty-six".