140070017 has 2 divisors, whose sum is σ = 140070018. Its totient is φ = 140070016.

The previous prime is 140069947. The next prime is 140070019. The reversal of 140070017 is 710070041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128346241 + 11723776 = 11329^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 140070017 - 2¹⁶ = 140004481 is a prime.

Together with 140070019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140070019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70035008 + 70035009.

It is an arithmetic number, because the mean of its divisors is an integer number (70035009).

Almost surely, 2^140070017 is an apocalyptic number.

It is an amenable number.

140070017 is a deficient number, since it is larger than the sum of its proper divisors (1).

140070017 is an equidigital number, since it uses as much as digits as its factorization.

140070017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 140070017 is about 11835.1179546298. The cubic root of 140070017 is about 519.3359583441.

It can be divided in two parts, 1400 and 70017, that added together give a palindrome (71417).

The spelling of 140070017 in words is "one hundred forty million, seventy thousand, seventeen".