1299415133 has 2 divisors, whose sum is σ = 1299415134. Its totient is φ = 1299415132.

The previous prime is 1299415129. The next prime is 1299415141. The reversal of 1299415133 is 3315149921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110022489 + 189392644 = 33317^2 + 13762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299415133 - 2² = 1299415129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299415163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649707566 + 649707567.

It is an arithmetic number, because the mean of its divisors is an integer number (649707567).

Almost surely, 2^1299415133 is an apocalyptic number.

It is an amenable number.

1299415133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299415133 is an equidigital number, since it uses as much as digits as its factorization.

1299415133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 1299415133 is about 36047.4011962028. The cubic root of 1299415133 is about 1091.2291867966.

The spelling of 1299415133 in words is "one billion, two hundred ninety-nine million, four hundred fifteen thousand, one hundred thirty-three".