30139585 has 8 divisors (see below), whose sum is σ = 41334336. Its totient is φ = 20667120.

The previous prime is 30139559. The next prime is 30139597. The reversal of 30139585 is 58593103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30139585 - 2⁵ = 30139553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30139585.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430531 + ... + 430600.

It is an arithmetic number, because the mean of its divisors is an integer number (5166792).

Almost surely, 2^30139585 is an apocalyptic number.

30139585 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30139585 is a deficient number, since it is larger than the sum of its proper divisors (11194751).

30139585 is an equidigital number, since it uses as much as digits as its factorization.

30139585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861143.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 30139585 is about 5489.9530963388. The cubic root of 30139585 is about 311.2044195981.

The spelling of 30139585 in words is "thirty million, one hundred thirty-nine thousand, five hundred eighty-five".