1356916285 has 8 divisors (see below), whose sum is σ = 1724081976. Its totient is φ = 1021678080.

The previous prime is 1356916277. The next prime is 1356916289. The reversal of 1356916285 is 5826196531.

It can be written as a sum of positive squares in 4 ways, for example, as 379353529 + 977562756 = 19477^2 + 31266^2 .

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

It is not a de Polignac number, because 1356916285 - 2³ = 1356916277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356916289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7981776 + ... + 7981945.

It is an arithmetic number, because the mean of its divisors is an integer number (215510247).

Almost surely, 2^1356916285 is an apocalyptic number.

It is an amenable number.

1356916285 is a deficient number, since it is larger than the sum of its proper divisors (367165691).

1356916285 is a wasteful number, since it uses less digits than its factorization.

1356916285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963743.

The product of its digits is 388800, while the sum is 46.

The square root of 1356916285 is about 36836.3446204968. The cubic root of 1356916285 is about 1107.0936290524.

The spelling of 1356916285 in words is "one billion, three hundred fifty-six million, nine hundred sixteen thousand, two hundred eighty-five".