1305065108 has 12 divisors (see below), whose sum is σ = 2311380960. Its totient is φ = 644670552.

The previous prime is 1305065101. The next prime is 1305065159. The reversal of 1305065108 is 8015605031.

It is a super-2 number, since 2×1305065108² = 3406389872238103328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305065101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965128 + ... + 1965791.

It is an arithmetic number, because the mean of its divisors is an integer number (192615080).

Almost surely, 2^1305065108 is an apocalyptic number.

It is an amenable number.

1305065108 is a deficient number, since it is larger than the sum of its proper divisors (1006315852).

1305065108 is a wasteful number, since it uses less digits than its factorization.

1305065108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931006 (or 3931004 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1305065108 is about 36125.6848793210. The cubic root of 1305065108 is about 1092.8084878888.

The spelling of 1305065108 in words is "one billion, three hundred five million, sixty-five thousand, one hundred eight".