1340668068 has 48 divisors (see below), whose sum is σ = 3309000576. Its totient is φ = 421597440.

The previous prime is 1340668037. The next prime is 1340668073. The reversal of 1340668068 is 8608660431.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13123 + ... + 53418.

It is an arithmetic number, because the mean of its divisors is an integer number (68937512).

Almost surely, 2^1340668068 is an apocalyptic number.

It is an amenable number.

1340668068 is an abundant number, since it is smaller than the sum of its proper divisors (1968332508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340668068 is a wasteful number, since it uses less digits than its factorization.

1340668068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66644 (or 66642 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1340668068 is about 36615.1344118795. The cubic root of 1340668068 is about 1102.6569567932.

The spelling of 1340668068 in words is "one billion, three hundred forty million, six hundred sixty-eight thousand, sixty-eight".