1340332907 has 4 divisors (see below), whose sum is σ = 1342616856. Its totient is φ = 1338048960.

The previous prime is 1340332891. The next prime is 1340332909. The reversal of 1340332907 is 7092330431.

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 1340332907 - 2⁴ = 1340332891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340332909) 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, 1141094 + ... + 1142267.

It is an arithmetic number, because the mean of its divisors is an integer number (335654214).

Almost surely, 2^1340332907 is an apocalyptic number.

1340332907 is a deficient number, since it is larger than the sum of its proper divisors (2283949).

1340332907 is an equidigital number, since it uses as much as digits as its factorization.

1340332907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283948.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 1340332907 is about 36610.5573161622. The cubic root of 1340332907 is about 1102.5650627050.

The spelling of 1340332907 in words is "one billion, three hundred forty million, three hundred thirty-two thousand, nine hundred seven".