30140039 has 8 divisors (see below), whose sum is σ = 31008432. Its totient is φ = 29283840.

The previous prime is 30139999. The next prime is 30140041. The reversal of 30140039 is 93004103.

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

It is a cyclic number.

It is not a de Polignac number, because 30140039 - 2¹⁶ = 30074503 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 30140039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2087 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (3876054).

Almost surely, 2^30140039 is an apocalyptic number.

30140039 is a deficient number, since it is larger than the sum of its proper divisors (868393).

30140039 is an equidigital number, since it uses as much as digits as its factorization.

30140039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30140039 is about 5489.9944444416. The cubic root of 30140039 is about 311.2059821732.

The spelling of 30140039 in words is "thirty million, one hundred forty thousand, thirty-nine".