1353212785 has 16 divisors (see below), whose sum is σ = 1657843200. Its totient is φ = 1060118080.

The previous prime is 1353212743. The next prime is 1353212789. The reversal of 1353212785 is 5872123531.

It is a de Polignac number, because none of the positive numbers 2^k-1353212785 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1353212789) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40104 + ... + 65686.

It is an arithmetic number, because the mean of its divisors is an integer number (103615200).

Almost surely, 2^1353212785 is an apocalyptic number.

It is an amenable number.

1353212785 is a deficient number, since it is larger than the sum of its proper divisors (304630415).

1353212785 is a wasteful number, since it uses less digits than its factorization.

1353212785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25808.

The product of its digits is 50400, while the sum is 37.

The square root of 1353212785 is about 36786.0406268465. The cubic root of 1353212785 is about 1106.0854958341.

The spelling of 1353212785 in words is "one billion, three hundred fifty-three million, two hundred twelve thousand, seven hundred eighty-five".