1346434665 has 8 divisors (see below), whose sum is σ = 2154295488. Its totient is φ = 718098480.

The previous prime is 1346434657. The next prime is 1346434679. The reversal of 1346434665 is 5664346431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1346434665 - 2³ = 1346434657 is a prime.

It is a super-2 number, since 2×1346434665² = 3625772614227324450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44881141 + ... + 44881170.

It is an arithmetic number, because the mean of its divisors is an integer number (269286936).

Almost surely, 2^1346434665 is an apocalyptic number.

1346434665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1346434665 is a deficient number, since it is larger than the sum of its proper divisors (807860823).

1346434665 is an equidigital number, since it uses as much as digits as its factorization.

1346434665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89762319.

The product of its digits is 622080, while the sum is 42.

The square root of 1346434665 is about 36693.7960015041. The cubic root of 1346434665 is about 1104.2356431923.

The spelling of 1346434665 in words is "one billion, three hundred forty-six million, four hundred thirty-four thousand, six hundred sixty-five".