1340465 has 8 divisors (see below), whose sum is σ = 1838400. Its totient is φ = 919152.

The previous prime is 1340459. The next prime is 1340477. The reversal of 1340465 is 5640431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1340465 - 2⁶ = 1340401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19115 + ... + 19184.

It is an arithmetic number, because the mean of its divisors is an integer number (229800).

2^1340465 is an apocalyptic number.

It is an amenable number.

1340465 is a deficient number, since it is larger than the sum of its proper divisors (497935).

1340465 is an equidigital number, since it uses as much as digits as its factorization.

1340465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1340465 is about 1157.7845222666. The cubic root of 1340465 is about 110.2601281653.

Adding to 1340465 its reverse (5640431), we get a palindrome (6980896).

The spelling of 1340465 in words is "one million, three hundred forty thousand, four hundred sixty-five".