1340958907 has 2 divisors, whose sum is σ = 1340958908. Its totient is φ = 1340958906.

The previous prime is 1340958887. The next prime is 1340958911. The reversal of 1340958907 is 7098590431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340958907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340958917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670479453 + 670479454.

It is an arithmetic number, because the mean of its divisors is an integer number (670479454).

Almost surely, 2^1340958907 is an apocalyptic number.

1340958907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340958907 is an equidigital number, since it uses as much as digits as its factorization.

1340958907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1340958907 is about 36619.1057646142. The cubic root of 1340958907 is about 1102.7366863119.

The spelling of 1340958907 in words is "one billion, three hundred forty million, nine hundred fifty-eight thousand, nine hundred seven".