1356116605 has 24 divisors (see below), whose sum is σ = 1736048160. Its totient is φ = 1016736000.

The previous prime is 1356116603. The next prime is 1356116651. The reversal of 1356116605 is 5066116531.

It is not a de Polignac number, because 1356116605 - 2¹ = 1356116603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356116603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360826 + ... + 364564.

It is an arithmetic number, because the mean of its divisors is an integer number (72335340).

Almost surely, 2^1356116605 is an apocalyptic number.

It is an amenable number.

1356116605 is a deficient number, since it is larger than the sum of its proper divisors (379931555).

1356116605 is a wasteful number, since it uses less digits than its factorization.

1356116605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1356116605 is about 36825.4885235756. The cubic root of 1356116605 is about 1106.8761028333.

The spelling of 1356116605 in words is "one billion, three hundred fifty-six million, one hundred sixteen thousand, six hundred five".