1353209066 has 40 divisors (see below), whose sum is σ = 2294962500. Its totient is φ = 597991680.

The previous prime is 1353209047. The next prime is 1353209087. The reversal of 1353209066 is 6609023531.

It can be written as a sum of positive squares in 2 ways, for example, as 1308920041 + 44289025 = 36179^2 + 6655^2 .

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, 1082810 + ... + 1084058.

Almost surely, 2^1353209066 is an apocalyptic number.

1353209066 is a deficient number, since it is larger than the sum of its proper divisors (941753434).

1353209066 is an equidigital number, since it uses as much as digits as its factorization.

1353209066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1353209066 is about 36785.9900777456. The cubic root of 1353209066 is about 1106.0844825577.

The spelling of 1353209066 in words is "one billion, three hundred fifty-three million, two hundred nine thousand, sixty-six".