1340393875 has 16 divisors (see below), whose sum is σ = 1673833824. Its totient is φ = 1071660000.

The previous prime is 1340393861. The next prime is 1340393881. The reversal of 1340393875 is 5783930431.

It is a happy number.

It is not a de Polignac number, because 1340393875 - 2⁹ = 1340393363 is a prime.

It is a Duffinian number.

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, 395940 + ... + 399310.

It is an arithmetic number, because the mean of its divisors is an integer number (104614614).

Almost surely, 2^1340393875 is an apocalyptic number.

1340393875 is a deficient number, since it is larger than the sum of its proper divisors (333439949).

1340393875 is an equidigital number, since it uses as much as digits as its factorization.

1340393875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1340393875 is about 36611.3899626878. The cubic root of 1340393875 is about 1102.5817799865.

The spelling of 1340393875 in words is "one billion, three hundred forty million, three hundred ninety-three thousand, eight hundred seventy-five".