1346810085 has 20 divisors (see below), whose sum is σ = 2414282508. Its totient is φ = 718298496.

The previous prime is 1346810071. The next prime is 1346810099. The reversal of 1346810085 is 5800186431.

1346810085 is a `hidden beast` number, since 13 + 468 + 100 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (1346810071) and next prime (1346810099).

It can be written as a sum of positive squares in 2 ways, for example, as 291794724 + 1055015361 = 17082^2 + 32481^2 .

It is not a de Polignac number, because 1346810085 - 2¹² = 1346805989 is a prime.

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 1662324 + ... + 1663133.

Almost surely, 2^1346810085 is an apocalyptic number.

1346810085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1346810085 is a deficient number, since it is larger than the sum of its proper divisors (1067472423).

1346810085 is an equidigital number, since it uses as much as digits as its factorization.

1346810085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325474 (or 3325465 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1346810085 is about 36698.9112236317. The cubic root of 1346810085 is about 1104.3382632532.

The spelling of 1346810085 in words is "one billion, three hundred forty-six million, eight hundred ten thousand, eighty-five".