30058139 has 2 divisors, whose sum is σ = 30058140. Its totient is φ = 30058138.

The previous prime is 30058129. The next prime is 30058169. The reversal of 30058139 is 93185003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30058139 - 2¹² = 30054043 is a prime.

It is a Chen prime.

It is equal to p_1861256 and since 30058139 and 1861256 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30058109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15029069 + 15029070.

It is an arithmetic number, because the mean of its divisors is an integer number (15029070).

Almost surely, 2^30058139 is an apocalyptic number.

30058139 is a deficient number, since it is larger than the sum of its proper divisors (1).

30058139 is an equidigital number, since it uses as much as digits as its factorization.

30058139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30058139 is about 5482.5303464732. The cubic root of 30058139 is about 310.9238448369.

The spelling of 30058139 in words is "thirty million, fifty-eight thousand, one hundred thirty-nine".