1358347129 has 2 divisors, whose sum is σ = 1358347130. Its totient is φ = 1358347128.

The previous prime is 1358347127. The next prime is 1358347157. The reversal of 1358347129 is 9217438531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1341537129 + 16810000 = 36627^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358347129 - 2¹ = 1358347127 is a prime.

Together with 1358347127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1358347127) 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, 679173564 + 679173565.

It is an arithmetic number, because the mean of its divisors is an integer number (679173565).

Almost surely, 2^1358347129 is an apocalyptic number.

It is an amenable number.

1358347129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358347129 is an equidigital number, since it uses as much as digits as its factorization.

1358347129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 1358347129 is about 36855.7611371682. The cubic root of 1358347129 is about 1107.4826291762.

The spelling of 1358347129 in words is "one billion, three hundred fifty-eight million, three hundred forty-seven thousand, one hundred twenty-nine".