1316356187 has 2 divisors, whose sum is σ = 1316356188. Its totient is φ = 1316356186.

The previous prime is 1316356163. The next prime is 1316356207. The reversal of 1316356187 is 7816536131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316356187 - 2⁶ = 1316356123 is a prime.

It is a super-2 number, since 2×1316356187² = 3465587222106357938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1316356687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658178093 + 658178094.

It is an arithmetic number, because the mean of its divisors is an integer number (658178094).

Almost surely, 2^1316356187 is an apocalyptic number.

1316356187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316356187 is an equidigital number, since it uses as much as digits as its factorization.

1316356187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 1316356187 is about 36281.6232685364. The cubic root of 1316356187 is about 1095.9510060660.

The spelling of 1316356187 in words is "one billion, three hundred sixteen million, three hundred fifty-six thousand, one hundred eighty-seven".