188479617134 has 24 divisors (see below), whose sum is σ = 300940367688. Its totient is φ = 88515512960.

The previous prime is 188479617133. The next prime is 188479617217. The reversal of 188479617134 is 431716974881.

188479617134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188479617133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48269 + ... + 615864.

It is an arithmetic number, because the mean of its divisors is an integer number (12539181987).

Almost surely, 2^188479617134 is an apocalyptic number.

188479617134 is a deficient number, since it is larger than the sum of its proper divisors (112460750554).

188479617134 is a wasteful number, since it uses less digits than its factorization.

188479617134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664660 (or 664643 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The spelling of 188479617134 in words is "one hundred eighty-eight billion, four hundred seventy-nine million, six hundred seventeen thousand, one hundred thirty-four".