30134807839 has 4 divisors (see below), whose sum is σ = 30135487824. Its totient is φ = 30134127856.

The previous prime is 30134807803. The next prime is 30134807891. The reversal of 30134807839 is 93870843103.

It is a happy number.

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 30134807839 - 2⁹ = 30134807327 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 (30134807039) 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, 268507 + ... + 363820.

It is an arithmetic number, because the mean of its divisors is an integer number (7533871956).

Almost surely, 2^30134807839 is an apocalyptic number.

30134807839 is a deficient number, since it is larger than the sum of its proper divisors (679985).

30134807839 is an equidigital number, since it uses as much as digits as its factorization.

30134807839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679984.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 30134807839 in words is "thirty billion, one hundred thirty-four million, eight hundred seven thousand, eight hundred thirty-nine".