30138659207 has 4 divisors (see below), whose sum is σ = 30245156520. Its totient is φ = 30032161896.

The previous prime is 30138659189. The next prime is 30138659227. The reversal of 30138659207 is 70295683103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30138659207 - 2⁶ = 30138659143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30138659227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53248232 + ... + 53248797.

It is an arithmetic number, because the mean of its divisors is an integer number (7561289130).

Almost surely, 2^30138659207 is an apocalyptic number.

30138659207 is a deficient number, since it is larger than the sum of its proper divisors (106497313).

30138659207 is a wasteful number, since it uses less digits than its factorization.

30138659207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106497312.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 30138659207 in words is "thirty billion, one hundred thirty-eight million, six hundred fifty-nine thousand, two hundred seven".