1316285215 has 8 divisors (see below), whose sum is σ = 1805191200. Its totient is φ = 902595552.

The previous prime is 1316285189. The next prime is 1316285219. The reversal of 1316285215 is 5125826131.

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

It is a cyclic number.

It is not a de Polignac number, because 1316285215 - 2⁵ = 1316285183 is a prime.

It is a super-3 number, since 3×1316285215³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316285219) 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 in 7 ways as a sum of consecutive naturals, for example, 18804040 + ... + 18804109.

It is an arithmetic number, because the mean of its divisors is an integer number (225648900).

Almost surely, 2^1316285215 is an apocalyptic number.

1316285215 is a deficient number, since it is larger than the sum of its proper divisors (488905985).

1316285215 is an equidigital number, since it uses as much as digits as its factorization.

1316285215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37608161.

The product of its digits is 14400, while the sum is 34.

The square root of 1316285215 is about 36280.6451844506. The cubic root of 1316285215 is about 1095.9313094637.

The spelling of 1316285215 in words is "one billion, three hundred sixteen million, two hundred eighty-five thousand, two hundred fifteen".