1340522327 has 4 divisors (see below), whose sum is σ = 1341078000. Its totient is φ = 1339966656.

The previous prime is 1340522191. The next prime is 1340522329. The reversal of 1340522327 is 7232250431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340522327 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 1340522327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340522329) 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, 274202 + ... + 279047.

It is an arithmetic number, because the mean of its divisors is an integer number (335269500).

Almost surely, 2^1340522327 is an apocalyptic number.

1340522327 is a deficient number, since it is larger than the sum of its proper divisors (555673).

1340522327 is an equidigital number, since it uses as much as digits as its factorization.

1340522327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555672.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1340522327 is about 36613.1441834760. The cubic root of 1340522327 is about 1102.6169995622.

Adding to 1340522327 its reverse (7232250431), we get a palindrome (8572772758).

The spelling of 1340522327 in words is "one billion, three hundred forty million, five hundred twenty-two thousand, three hundred twenty-seven".