30565136 has 20 divisors (see below), whose sum is σ = 67680192. Its totient is φ = 13099296.

The previous prime is 30565123. The next prime is 30565151. The reversal of 30565136 is 63156503.

It is a junction number, because it is equal to n+sod(n) for n = 30565099 and 30565108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136340 + ... + 136563.

Almost surely, 2^30565136 is an apocalyptic number.

It is an amenable number.

30565136 is an abundant number, since it is smaller than the sum of its proper divisors (37115056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30565136 is a wasteful number, since it uses less digits than its factorization.

30565136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272918 (or 272912 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30565136 is about 5528.5744998146. The cubic root of 30565136 is about 312.6622466287.

It can be divided in two parts, 3056 and 5136, that added together give a 13-th power (8192 = 2¹³).

The spelling of 30565136 in words is "thirty million, five hundred sixty-five thousand, one hundred thirty-six".