1305140411 has 4 divisors (see below), whose sum is σ = 1319805000. Its totient is φ = 1290475824.

The previous prime is 1305140399. The next prime is 1305140437. The reversal of 1305140411 is 1140415031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1305140411 - 2¹⁴ = 1305124027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305140471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7332161 + ... + 7332338.

It is an arithmetic number, because the mean of its divisors is an integer number (329951250).

Almost surely, 2^1305140411 is an apocalyptic number.

1305140411 is a deficient number, since it is larger than the sum of its proper divisors (14664589).

1305140411 is an equidigital number, since it uses as much as digits as its factorization.

1305140411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14664588.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1305140411 is about 36126.7271005830. The cubic root of 1305140411 is about 1092.8295060419.

Adding to 1305140411 its reverse (1140415031), we get a palindrome (2445555442).

The spelling of 1305140411 in words is "one billion, three hundred five million, one hundred forty thousand, four hundred eleven".