1316552639 has 2 divisors, whose sum is σ = 1316552640. Its totient is φ = 1316552638.

The previous prime is 1316552561. The next prime is 1316552647. The reversal of 1316552639 is 9362556131.

It is a strong prime.

It is an emirp because it is prime and its reverse (9362556131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316552639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316552596 and 1316552605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316552669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658276319 + 658276320.

It is an arithmetic number, because the mean of its divisors is an integer number (658276320).

Almost surely, 2^1316552639 is an apocalyptic number.

1316552639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316552639 is an equidigital number, since it uses as much as digits as its factorization.

1316552639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 41.

The square root of 1316552639 is about 36284.3304885180. The cubic root of 1316552639 is about 1096.0055229866.

The spelling of 1316552639 in words is "one billion, three hundred sixteen million, five hundred fifty-two thousand, six hundred thirty-nine".