147181093 has 2 divisors, whose sum is σ = 147181094. Its totient is φ = 147181092.

The previous prime is 147181081. The next prime is 147181127. The reversal of 147181093 is 390181741.

It is an a-pointer prime, because the next prime (147181127) can be obtained adding 147181093 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147064129 + 116964 = 12127^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 147181093 - 2⁹ = 147180581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147181693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73590546 + 73590547.

It is an arithmetic number, because the mean of its divisors is an integer number (73590547).

Almost surely, 2^147181093 is an apocalyptic number.

It is an amenable number.

147181093 is a deficient number, since it is larger than the sum of its proper divisors (1).

147181093 is an equidigital number, since it uses as much as digits as its factorization.

147181093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 147181093 is about 12131.8215037974. The cubic root of 147181093 is about 527.9798414499.

The spelling of 147181093 in words is "one hundred forty-seven million, one hundred eighty-one thousand, ninety-three".