30134939 has 2 divisors, whose sum is σ = 30134940. Its totient is φ = 30134938.

The previous prime is 30134933. The next prime is 30134947. The reversal of 30134939 is 93943103.

It is a weak prime.

It is an emirp because it is prime and its reverse (93943103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30134939 - 2¹² = 30130843 is a prime.

It is a super-2 number, since 2×30134939² = 1816229097067442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30134933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15067469 + 15067470.

It is an arithmetic number, because the mean of its divisors is an integer number (15067470).

Almost surely, 2^30134939 is an apocalyptic number.

30134939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30134939 is an equidigital number, since it uses as much as digits as its factorization.

30134939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30134939 is about 5489.5299434469. The cubic root of 30134939 is about 311.1884281145.

The spelling of 30134939 in words is "thirty million, one hundred thirty-four thousand, nine hundred thirty-nine".