1316959403 has 2 divisors, whose sum is σ = 1316959404. Its totient is φ = 1316959402.

The previous prime is 1316959387. The next prime is 1316959429. The reversal of 1316959403 is 3049596131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316959403 - 2⁴ = 1316959387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316919403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658479701 + 658479702.

It is an arithmetic number, because the mean of its divisors is an integer number (658479702).

Almost surely, 2^1316959403 is an apocalyptic number.

1316959403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316959403 is an equidigital number, since it uses as much as digits as its factorization.

1316959403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1316959403 is about 36289.9352851448. The cubic root of 1316959403 is about 1096.1183858458.

The spelling of 1316959403 in words is "one billion, three hundred sixteen million, nine hundred fifty-nine thousand, four hundred three".