30136069 has 2 divisors, whose sum is σ = 30136070. Its totient is φ = 30136068.

The previous prime is 30136063. The next prime is 30136091. The reversal of 30136069 is 96063103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30107169 + 28900 = 5487^2 + 170^2 .

It is an emirp because it is prime and its reverse (96063103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30136069 - 2⁵ = 30136037 is a prime.

It is a super-2 number, since 2×30136069² = 1816365309545522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30136063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15068034 + 15068035.

It is an arithmetic number, because the mean of its divisors is an integer number (15068035).

Almost surely, 2^30136069 is an apocalyptic number.

It is an amenable number.

30136069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30136069 is an equidigital number, since it uses as much as digits as its factorization.

30136069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30136069 is about 5489.6328656842. The cubic root of 30136069 is about 311.1923177140.

The spelling of 30136069 in words is "thirty million, one hundred thirty-six thousand, sixty-nine".