1310635129 has 2 divisors, whose sum is σ = 1310635130. Its totient is φ = 1310635128.

The previous prime is 1310635103. The next prime is 1310635147. The reversal of 1310635129 is 9215360131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105429504 + 205205625 = 33248^2 + 14325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310635129 - 2⁵ = 1310635097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310635129.

It is not a weakly prime, because it can be changed into another prime (1310635199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655317564 + 655317565.

It is an arithmetic number, because the mean of its divisors is an integer number (655317565).

Almost surely, 2^1310635129 is an apocalyptic number.

It is an amenable number.

1310635129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310635129 is an equidigital number, since it uses as much as digits as its factorization.

1310635129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1310635129 is about 36202.6950516118. The cubic root of 1310635129 is about 1094.3609843723.

The spelling of 1310635129 in words is "one billion, three hundred ten million, six hundred thirty-five thousand, one hundred twenty-nine".