1013656215 has 96 divisors (see below), whose sum is σ = 1952391168. Its totient is φ = 442713600.

The previous prime is 1013656177. The next prime is 1013656223. The reversal of 1013656215 is 5126563101.

It is not a de Polignac number, because 1013656215 - 2⁹ = 1013655703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7981482 + ... + 7981608.

It is an arithmetic number, because the mean of its divisors is an integer number (20337408).

Almost surely, 2^1013656215 is an apocalyptic number.

1013656215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1013656215 is a deficient number, since it is larger than the sum of its proper divisors (938734953).

1013656215 is a wasteful number, since it uses less digits than its factorization.

1013656215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1013656215 is about 31837.9681355453. The cubic root of 1013656215 is about 1004.5315061016.

The spelling of 1013656215 in words is "one billion, thirteen million, six hundred fifty-six thousand, two hundred fifteen".