1330440071 has 2 divisors, whose sum is σ = 1330440072. Its totient is φ = 1330440070.

The previous prime is 1330440031. The next prime is 1330440143. The reversal of 1330440071 is 1700440331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330440071 - 2²⁶ = 1263331207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330440031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665220035 + 665220036.

It is an arithmetic number, because the mean of its divisors is an integer number (665220036).

Almost surely, 2^1330440071 is an apocalyptic number.

1330440071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330440071 is an equidigital number, since it uses as much as digits as its factorization.

1330440071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1330440071 is about 36475.1980255077. The cubic root of 1330440071 is about 1099.8457279515.

The spelling of 1330440071 in words is "one billion, three hundred thirty million, four hundred forty thousand, seventy-one".