1316991059 has 2 divisors, whose sum is σ = 1316991060. Its totient is φ = 1316991058.

The previous prime is 1316991041. The next prime is 1316991079. The reversal of 1316991059 is 9501996131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316991059 - 2²⁴ = 1300213843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1316991079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658495529 + 658495530.

It is an arithmetic number, because the mean of its divisors is an integer number (658495530).

Almost surely, 2^1316991059 is an apocalyptic number.

1316991059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316991059 is an equidigital number, since it uses as much as digits as its factorization.

1316991059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 1316991059 is about 36290.3714365119. The cubic root of 1316991059 is about 1096.1271683098.

The spelling of 1316991059 in words is "one billion, three hundred sixteen million, nine hundred ninety-one thousand, fifty-nine".