1340533 has 8 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 1279200.

The previous prime is 1340527. The next prime is 1340557. The reversal of 1340533 is 3350431.

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 1340533 - 2⁹ = 1340021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (175392).

2^1340533 is an apocalyptic number.

It is an amenable number.

1340533 is a deficient number, since it is larger than the sum of its proper divisors (62603).

1340533 is an equidigital number, since it uses as much as digits as its factorization.

1340533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1340533 is about 1157.8138883258. The cubic root of 1340533 is about 110.2619925835.

Adding to 1340533 its reverse (3350431), we get a palindrome (4690964).

The spelling of 1340533 in words is "one million, three hundred forty thousand, five hundred thirty-three".