1340627663 has 8 divisors (see below), whose sum is σ = 1349057280. Its totient is φ = 1332213120.

The previous prime is 1340627627. The next prime is 1340627681. The reversal of 1340627663 is 3667260431.

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 1340627663 - 2¹² = 1340623567 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 (1340627693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212531 + ... + 218747.

It is an arithmetic number, because the mean of its divisors is an integer number (168632160).

Almost surely, 2^1340627663 is an apocalyptic number.

1340627663 is a deficient number, since it is larger than the sum of its proper divisors (8429617).

1340627663 is a wasteful number, since it uses less digits than its factorization.

1340627663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 1340627663 is about 36614.5826550024. The cubic root of 1340627663 is about 1102.6458794050.

The spelling of 1340627663 in words is "one billion, three hundred forty million, six hundred twenty-seven thousand, six hundred sixty-three".