189713026 has 8 divisors (see below), whose sum is σ = 284722704. Its totient is φ = 94805460.

The previous prime is 189712997. The next prime is 189713053. The reversal of 189713026 is 620317981.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20700 + ... + 28423.

It is an arithmetic number, because the mean of its divisors is an integer number (35590338).

Almost surely, 2^189713026 is an apocalyptic number.

189713026 is a deficient number, since it is larger than the sum of its proper divisors (95009678).

189713026 is a wasteful number, since it uses less digits than its factorization.

189713026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 189713026 is about 13773.6351773960. The cubic root of 189713026 is about 574.6001262641.

The spelling of 189713026 in words is "one hundred eighty-nine million, seven hundred thirteen thousand, twenty-six".