189134753 has 2 divisors, whose sum is σ = 189134754. Its totient is φ = 189134752.

The previous prime is 189134749. The next prime is 189134791. The reversal of 189134753 is 357431981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186923584 + 2211169 = 13672^2 + 1487^2 .

It is an emirp because it is prime and its reverse (357431981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189134753 - 2² = 189134749 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189134753.

It is not a weakly prime, because it can be changed into another prime (189134053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94567376 + 94567377.

It is an arithmetic number, because the mean of its divisors is an integer number (94567377).

Almost surely, 2^189134753 is an apocalyptic number.

It is an amenable number.

189134753 is a deficient number, since it is larger than the sum of its proper divisors (1).

189134753 is an equidigital number, since it uses as much as digits as its factorization.

189134753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 189134753 is about 13752.6271308430. The cubic root of 189134753 is about 574.0157103754.

The spelling of 189134753 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, seven hundred fifty-three".