30139595 has 16 divisors (see below), whose sum is σ = 37509888. Its totient is φ = 23224320.

The previous prime is 30139559. The next prime is 30139597. The reversal of 30139595 is 59593103.

It is not a de Polignac number, because 30139595 - 2⁶ = 30139531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30139597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51947 + ... + 52523.

It is an arithmetic number, because the mean of its divisors is an integer number (2344368).

Almost surely, 2^30139595 is an apocalyptic number.

30139595 is a deficient number, since it is larger than the sum of its proper divisors (7370293).

30139595 is a wasteful number, since it uses less digits than its factorization.

30139595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 30139595 is about 5489.9540070933. The cubic root of 30139595 is about 311.2044540162.

The spelling of 30139595 in words is "thirty million, one hundred thirty-nine thousand, five hundred ninety-five".