189703071 has 6 divisors (see below), whose sum is σ = 274015560. Its totient is φ = 126468708.

The previous prime is 189703061. The next prime is 189703091. The reversal of 189703071 is 170307981.

It is not a de Polignac number, because 189703071 - 2¹⁰ = 189702047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189703061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10539051 + ... + 10539068.

It is an arithmetic number, because the mean of its divisors is an integer number (45669260).

Almost surely, 2^189703071 is an apocalyptic number.

189703071 is a deficient number, since it is larger than the sum of its proper divisors (84312489).

189703071 is a wasteful number, since it uses less digits than its factorization.

189703071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078125 (or 21078122 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 189703071 is about 13773.2737938371. The cubic root of 189703071 is about 574.5900755672.

The spelling of 189703071 in words is "one hundred eighty-nine million, seven hundred three thousand, seventy-one".