1340704007 has 8 divisors (see below), whose sum is σ = 1345562880. Its totient is φ = 1335854520.

The previous prime is 1340703961. The next prime is 1340704019. The reversal of 1340704007 is 7004070431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340704007 - 2³⁰ = 266962183 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 (1340704037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396032 + ... + 399402.

It is an arithmetic number, because the mean of its divisors is an integer number (168195360).

Almost surely, 2^1340704007 is an apocalyptic number.

1340704007 is a deficient number, since it is larger than the sum of its proper divisors (4858873).

1340704007 is an equidigital number, since it uses as much as digits as its factorization.

1340704007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 1340704007 is about 36615.6251755996. The cubic root of 1340704007 is about 1102.6668096010. Note that the first 3 decimals are identical.

Adding to 1340704007 its reverse (7004070431), we get a palindrome (8344774438).

The spelling of 1340704007 in words is "one billion, three hundred forty million, seven hundred four thousand, seven".