1314132661 has 2 divisors, whose sum is σ = 1314132662. Its totient is φ = 1314132660.

The previous prime is 1314132649. The next prime is 1314132683. The reversal of 1314132661 is 1662314131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1269496900 + 44635761 = 35630^2 + 6681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314132661 - 2⁵ = 1314132629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314132601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657066330 + 657066331.

It is an arithmetic number, because the mean of its divisors is an integer number (657066331).

Almost surely, 2^1314132661 is an apocalyptic number.

It is an amenable number.

1314132661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314132661 is an equidigital number, since it uses as much as digits as its factorization.

1314132661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1314132661 is about 36250.9677250139. The cubic root of 1314132661 is about 1095.3335822627. Note that the first 3 decimals are identical.

Adding to 1314132661 its reverse (1662314131), we get a palindrome (2976446792).

The spelling of 1314132661 in words is "one billion, three hundred fourteen million, one hundred thirty-two thousand, six hundred sixty-one".