1340063 has 4 divisors (see below), whose sum is σ = 1342488. Its totient is φ = 1337640.

The previous prime is 1340047. The next prime is 1340069. The reversal of 1340063 is 3600431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340063 - 2⁴ = 1340047 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 68 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (335622).

2^1340063 is an apocalyptic number.

1340063 is a deficient number, since it is larger than the sum of its proper divisors (2425).

1340063 is an equidigital number, since it uses as much as digits as its factorization.

1340063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1340063 is about 1157.6109018146. The cubic root of 1340063 is about 110.2491048753.

Adding to 1340063 its reverse (3600431), we get a palindrome (4940494).

The spelling of 1340063 in words is "one million, three hundred forty thousand, sixty-three".