30136506 has 16 divisors (see below), whose sum is σ = 60328800. Its totient is φ = 10036208.

The previous prime is 30136487. The next prime is 30136511. The reversal of 30136506 is 60563103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8785 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^30136506 is an apocalyptic number.

30136506 is an abundant number, since it is smaller than the sum of its proper divisors (30192294).

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

30136506 is a wasteful number, since it uses less digits than its factorization.

30136506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 30136506 is about 5489.6726678373. The cubic root of 30136506 is about 311.1938218959.

Adding to 30136506 its reverse (60563103), we get a palindrome (90699609).

The spelling of 30136506 in words is "thirty million, one hundred thirty-six thousand, five hundred six".