189827106734 has 8 divisors (see below), whose sum is σ = 284981764968. Its totient is φ = 94833185080.

The previous prime is 189827106731. The next prime is 189827106743. The reversal of 189827106734 is 437601728981.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 189827106734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189827106731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40181192 + ... + 40185915.

It is an arithmetic number, because the mean of its divisors is an integer number (35622720621).

Almost surely, 2^189827106734 is an apocalyptic number.

189827106734 is a deficient number, since it is larger than the sum of its proper divisors (95154658234).

189827106734 is a wasteful number, since it uses less digits than its factorization.

189827106734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80368290.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 189827106734 in words is "one hundred eighty-nine billion, eight hundred twenty-seven million, one hundred six thousand, seven hundred thirty-four".