188142908103 has 12 divisors (see below), whose sum is σ = 275484746160. Its totient is φ = 123710404896.

The previous prime is 188142908087. The next prime is 188142908111. The reversal of 188142908103 is 301809241881.

It is not a de Polignac number, because 188142908103 - 2⁴ = 188142908087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188142908183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143182683 + ... + 143183996.

It is an arithmetic number, because the mean of its divisors is an integer number (22957062180).

Almost surely, 2^188142908103 is an apocalyptic number.

188142908103 is a deficient number, since it is larger than the sum of its proper divisors (87341838057).

188142908103 is a wasteful number, since it uses less digits than its factorization.

188142908103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286366758 (or 286366755 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 188142908103 in words is "one hundred eighty-eight billion, one hundred forty-two million, nine hundred eight thousand, one hundred three".