1340435 has 8 divisors (see below), whose sum is σ = 1616976. Its totient is φ = 1066720.

The previous prime is 1340419. The next prime is 1340441. The reversal of 1340435 is 5340431.

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

It is not a de Polignac number, because 1340435 - 2⁴ = 1340419 is a prime.

It is a Duffinian number.

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, 545 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (202122).

2^1340435 is an apocalyptic number.

1340435 is a deficient number, since it is larger than the sum of its proper divisors (276541).

1340435 is a wasteful number, since it uses less digits than its factorization.

1340435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1340435 is about 1157.7715664154. The cubic root of 1340435 is about 110.2593056078.

Adding to 1340435 its reverse (5340431), we get a palindrome (6680866).

The spelling of 1340435 in words is "one million, three hundred forty thousand, four hundred thirty-five".