1346887229 has 2 divisors, whose sum is σ = 1346887230. Its totient is φ = 1346887228.

The previous prime is 1346887207. The next prime is 1346887247. The reversal of 1346887229 is 9227886431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892216900 + 454670329 = 29870^2 + 21323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346887229 - 2⁸ = 1346886973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346887249) 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, 673443614 + 673443615.

It is an arithmetic number, because the mean of its divisors is an integer number (673443615).

Almost surely, 2^1346887229 is an apocalyptic number.

It is an amenable number.

1346887229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346887229 is an equidigital number, since it uses as much as digits as its factorization.

1346887229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 1346887229 is about 36699.9622479370. The cubic root of 1346887229 is about 1104.3593479989.

The spelling of 1346887229 in words is "one billion, three hundred forty-six million, eight hundred eighty-seven thousand, two hundred twenty-nine".