1340166 has 8 divisors (see below), whose sum is σ = 2680344. Its totient is φ = 446720.

The previous prime is 1340159. The next prime is 1340179. The reversal of 1340166 is 6610431.

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

1340166 is an admirable number.

It is an Ulam number.

It is a congruent number.

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, 111675 + ... + 111686.

It is an arithmetic number, because the mean of its divisors is an integer number (335043).

2^1340166 is an apocalyptic number.

1340166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1340166 is a wasteful number, since it uses less digits than its factorization.

1340166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223366.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1340166 is about 1157.6553891379. The cubic root of 1340166 is about 110.2519294606.

Adding to 1340166 its reverse (6610431), we get a palindrome (7950597).

The spelling of 1340166 in words is "one million, three hundred forty thousand, one hundred sixty-six".