30000139999 has 4 divisors (see below), whose sum is σ = 31304493936. Its totient is φ = 28695786064.

The previous prime is 30000139987. The next prime is 30000140017. The reversal of 30000139999 is 99993100003.

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 30000139999 - 2²¹ = 29998042847 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 (30000139969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652176934 + ... + 652176979.

It is an arithmetic number, because the mean of its divisors is an integer number (7826123484).

Almost surely, 2^30000139999 is an apocalyptic number.

30000139999 is a deficient number, since it is larger than the sum of its proper divisors (1304353937).

30000139999 is a wasteful number, since it uses less digits than its factorization.

30000139999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304353936.

The product of its (nonzero) digits is 59049, while the sum is 43.

The spelling of 30000139999 in words is "thirty billion, one hundred thirty-nine thousand, nine hundred ninety-nine".