194180142894 has 32 divisors (see below), whose sum is σ = 398269149696. Its totient is φ = 63086666880.

The previous prime is 194180142883. The next prime is 194180142931. The reversal of 194180142894 is 498241081491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360632 + ... + 1496555.

It is an arithmetic number, because the mean of its divisors is an integer number (12445910928).

Almost surely, 2^194180142894 is an apocalyptic number.

194180142894 is an abundant number, since it is smaller than the sum of its proper divisors (204089006802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194180142894 is a wasteful number, since it uses less digits than its factorization.

194180142894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857480.

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 194180142894 in words is "one hundred ninety-four billion, one hundred eighty million, one hundred forty-two thousand, eight hundred ninety-four".