1318654067 has 2 divisors, whose sum is σ = 1318654068. Its totient is φ = 1318654066.

The previous prime is 1318654033. The next prime is 1318654087. The reversal of 1318654067 is 7604568131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1318654067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1318654087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659327033 + 659327034.

It is an arithmetic number, because the mean of its divisors is an integer number (659327034).

Almost surely, 2^1318654067 is an apocalyptic number.

1318654067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318654067 is an equidigital number, since it uses as much as digits as its factorization.

1318654067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1318654067 is about 36313.2767317960. The cubic root of 1318654067 is about 1096.5883462122.

The spelling of 1318654067 in words is "one billion, three hundred eighteen million, six hundred fifty-four thousand, sixty-seven".