189755678132 has 6 divisors (see below), whose sum is σ = 332072436738. Its totient is φ = 94877839064.

The previous prime is 189755678131. The next prime is 189755678159. The reversal of 189755678132 is 231876557981.

It can be written as a sum of positive squares in only one way, i.e., 142320580516 + 47435097616 = 377254^2 + 217796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189755678131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23719459763 + ... + 23719459770.

It is an arithmetic number, because the mean of its divisors is an integer number (55345406123).

Almost surely, 2^189755678132 is an apocalyptic number.

It is an amenable number.

189755678132 is a deficient number, since it is larger than the sum of its proper divisors (142316758606).

189755678132 is a wasteful number, since it uses less digits than its factorization.

189755678132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47438919537 (or 47438919535 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 62.

The spelling of 189755678132 in words is "one hundred eighty-nine billion, seven hundred fifty-five million, six hundred seventy-eight thousand, one hundred thirty-two".