189059147 has 2 divisors, whose sum is σ = 189059148. Its totient is φ = 189059146.

The previous prime is 189059131. The next prime is 189059183. The reversal of 189059147 is 741950981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189059147 - 2⁴ = 189059131 is a prime.

It is a super-2 number, since 2×189059147² = 71486722128735218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189059098 and 189059107.

It is not a weakly prime, because it can be changed into another prime (189059107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94529573 + 94529574.

It is an arithmetic number, because the mean of its divisors is an integer number (94529574).

Almost surely, 2^189059147 is an apocalyptic number.

189059147 is a deficient number, since it is larger than the sum of its proper divisors (1).

189059147 is an equidigital number, since it uses as much as digits as its factorization.

189059147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 189059147 is about 13749.8780721867. The cubic root of 189059147 is about 573.9392132127.

The spelling of 189059147 in words is "one hundred eighty-nine million, fifty-nine thousand, one hundred forty-seven".