1340059207 has 4 divisors (see below), whose sum is σ = 1346861736. Its totient is φ = 1333256680.

The previous prime is 1340059177. The next prime is 1340059241. The reversal of 1340059207 is 7029500431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340059207 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 (1340059907) 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, 3400969 + ... + 3401362.

It is an arithmetic number, because the mean of its divisors is an integer number (336715434).

Almost surely, 2^1340059207 is an apocalyptic number.

1340059207 is a deficient number, since it is larger than the sum of its proper divisors (6802529).

1340059207 is an equidigital number, since it uses as much as digits as its factorization.

1340059207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802528.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1340059207 is about 36606.8191325059. The cubic root of 1340059207 is about 1102.4900085650.

Adding to 1340059207 its reverse (7029500431), we get a palindrome (8369559638).

The spelling of 1340059207 in words is "one billion, three hundred forty million, fifty-nine thousand, two hundred seven".