140189017 has 2 divisors, whose sum is σ = 140189018. Its totient is φ = 140189016.

The previous prime is 140188999. The next prime is 140189053. The reversal of 140189017 is 710981041.

140189017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124791241 + 15397776 = 11171^2 + 3924^2 .

It is a cyclic number.

It is not a de Polignac number, because 140189017 - 2⁷ = 140188889 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 140189017.

It is not a weakly prime, because it can be changed into another prime (140189057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70094508 + 70094509.

It is an arithmetic number, because the mean of its divisors is an integer number (70094509).

Almost surely, 2^140189017 is an apocalyptic number.

It is an amenable number.

140189017 is a deficient number, since it is larger than the sum of its proper divisors (1).

140189017 is an equidigital number, since it uses as much as digits as its factorization.

140189017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 140189017 is about 11840.1442981072. The cubic root of 140189017 is about 519.4829883488.

The spelling of 140189017 in words is "one hundred forty million, one hundred eighty-nine thousand, seventeen".