1316177129 has 2 divisors, whose sum is σ = 1316177130. Its totient is φ = 1316177128.

The previous prime is 1316177113. The next prime is 1316177131. The reversal of 1316177129 is 9217716131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1251744400 + 64432729 = 35380^2 + 8027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316177129 - 2⁴ = 1316177113 is a prime.

Together with 1316177131, 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 = 1316177092 and 1316177101.

It is not a weakly prime, because it can be changed into another prime (1316176129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658088564 + 658088565.

It is an arithmetic number, because the mean of its divisors is an integer number (658088565).

Almost surely, 2^1316177129 is an apocalyptic number.

It is an amenable number.

1316177129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316177129 is an equidigital number, since it uses as much as digits as its factorization.

1316177129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 38.

The square root of 1316177129 is about 36279.1555717605. The cubic root of 1316177129 is about 1095.9013113871.

The spelling of 1316177129 in words is "one billion, three hundred sixteen million, one hundred seventy-seven thousand, one hundred twenty-nine".