189148093 has 2 divisors, whose sum is σ = 189148094. Its totient is φ = 189148092.

The previous prime is 189148061. The next prime is 189148111. The reversal of 189148093 is 390841981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181629529 + 7518564 = 13477^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 189148093 - 2⁵ = 189148061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189148493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94574046 + 94574047.

It is an arithmetic number, because the mean of its divisors is an integer number (94574047).

Almost surely, 2^189148093 is an apocalyptic number.

It is an amenable number.

189148093 is a deficient number, since it is larger than the sum of its proper divisors (1).

189148093 is an equidigital number, since it uses as much as digits as its factorization.

189148093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 189148093 is about 13753.1121205348. The cubic root of 189148093 is about 574.0292054972.

The spelling of 189148093 in words is "one hundred eighty-nine million, one hundred forty-eight thousand, ninety-three".