1316452139 has 2 divisors, whose sum is σ = 1316452140. Its totient is φ = 1316452138.

The previous prime is 1316452117. The next prime is 1316452141. The reversal of 1316452139 is 9312546131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316452139 - 2⁸ = 1316451883 is a prime.

Together with 1316452141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1316452099 and 1316452108.

It is not a weakly prime, because it can be changed into another prime (1316452199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658226069 + 658226070.

It is an arithmetic number, because the mean of its divisors is an integer number (658226070).

Almost surely, 2^1316452139 is an apocalyptic number.

1316452139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316452139 is an equidigital number, since it uses as much as digits as its factorization.

1316452139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1316452139 is about 36282.9455667535. The cubic root of 1316452139 is about 1095.9776341516.

The spelling of 1316452139 in words is "one billion, three hundred sixteen million, four hundred fifty-two thousand, one hundred thirty-nine".