30134187142 has 4 divisors (see below), whose sum is σ = 45201280716. Its totient is φ = 15067093570.

The previous prime is 30134187133. The next prime is 30134187163. The reversal of 30134187142 is 24178143103.

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

It is a junction number, because it is equal to n+sod(n) for n = 30134187098 and 30134187107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7533546784 + ... + 7533546787.

It is an arithmetic number, because the mean of its divisors is an integer number (11300320179).

Almost surely, 2^30134187142 is an apocalyptic number.

30134187142 is a deficient number, since it is larger than the sum of its proper divisors (15067093574).

30134187142 is a wasteful number, since it uses less digits than its factorization.

30134187142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067093573.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 30134187142 in words is "thirty billion, one hundred thirty-four million, one hundred eighty-seven thousand, one hundred forty-two".