30136105 has 4 divisors (see below), whose sum is σ = 36163332. Its totient is φ = 24108880.

The previous prime is 30136103. The next prime is 30136129. The reversal of 30136105 is 50163103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50163103 = 251 ⋅199853.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 6165289 = 4896^2 + 2483^2 .

It is not a de Polignac number, because 30136105 - 2¹ = 30136103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30136103) 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, 3013606 + ... + 3013615.

It is an arithmetic number, because the mean of its divisors is an integer number (9040833).

Almost surely, 2^30136105 is an apocalyptic number.

It is an amenable number.

30136105 is a deficient number, since it is larger than the sum of its proper divisors (6027227).

30136105 is an equidigital number, since it uses as much as digits as its factorization.

30136105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027226.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 30136105 is about 5489.6361445910. The cubic root of 30136105 is about 311.1924416289.

Adding to 30136105 its reverse (50163103), we get a palindrome (80299208).

The spelling of 30136105 in words is "thirty million, one hundred thirty-six thousand, one hundred five".