18078142034 has 8 divisors (see below), whose sum is σ = 27118061820. Its totient is φ = 9038788096.

The previous prime is 18078141973. The next prime is 18078142067. The reversal of 18078142034 is 43024187081.

It can be written as a sum of positive squares in 2 ways, for example, as 18075995809 + 2146225 = 134447^2 + 1465^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49679 + ... + 196530.

Almost surely, 2^18078142034 is an apocalyptic number.

18078142034 is a deficient number, since it is larger than the sum of its proper divisors (9039919786).

18078142034 is a wasteful number, since it uses less digits than its factorization.

18078142034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282924.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 18078142034 in words is "eighteen billion, seventy-eight million, one hundred forty-two thousand, thirty-four".