1285486316 has 6 divisors (see below), whose sum is σ = 2249601060. Its totient is φ = 642743156.

The previous prime is 1285486313. The next prime is 1285486339. The reversal of 1285486316 is 6136845821.

It is not an unprimeable number, because it can be changed into a prime (1285486313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160685786 + ... + 160685793.

It is an arithmetic number, because the mean of its divisors is an integer number (374933510).

Almost surely, 2^1285486316 is an apocalyptic number.

It is an amenable number.

1285486316 is a deficient number, since it is larger than the sum of its proper divisors (964114744).

1285486316 is a wasteful number, since it uses less digits than its factorization.

1285486316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321371583 (or 321371581 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 1285486316 is about 35853.6792533207. The cubic root of 1285486316 is about 1087.3161014800.

The spelling of 1285486316 in words is "one billion, two hundred eighty-five million, four hundred eighty-six thousand, three hundred sixteen".