1340770003 has 4 divisors (see below), whose sum is σ = 1345137640. Its totient is φ = 1336402368.

The previous prime is 1340769931. The next prime is 1340770007. The reversal of 1340770003 is 3000770431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3000770431 = 227 ⋅13219253.

It is a cyclic number.

It is not a de Polignac number, because 1340770003 - 2⁹ = 1340769491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340770003.

It is not an unprimeable number, because it can be changed into a prime (1340770007) 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, 2183358 + ... + 2183971.

It is an arithmetic number, because the mean of its divisors is an integer number (336284410).

Almost surely, 2^1340770003 is an apocalyptic number.

1340770003 is a deficient number, since it is larger than the sum of its proper divisors (4367637).

1340770003 is an equidigital number, since it uses as much as digits as its factorization.

1340770003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367636.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 1340770003 is about 36616.5263644710. The cubic root of 1340770003 is about 1102.6849021863.

The spelling of 1340770003 in words is "one billion, three hundred forty million, seven hundred seventy thousand, three".