140571617 has 2 divisors, whose sum is σ = 140571618. Its totient is φ = 140571616.

The previous prime is 140571611. The next prime is 140571649. The reversal of 140571617 is 716175041.

It is an a-pointer prime, because the next prime (140571649) can be obtained adding 140571617 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113124496 + 27447121 = 10636^2 + 5239^2 .

It is a cyclic number.

It is not a de Polignac number, because 140571617 - 2⁶ = 140571553 is a prime.

It is a super-3 number, since 3×140571617³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140571611) 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, 70285808 + 70285809.

It is an arithmetic number, because the mean of its divisors is an integer number (70285809).

Almost surely, 2^140571617 is an apocalyptic number.

It is an amenable number.

140571617 is a deficient number, since it is larger than the sum of its proper divisors (1).

140571617 is an equidigital number, since it uses as much as digits as its factorization.

140571617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 140571617 is about 11856.2901870695. The cubic root of 140571617 is about 519.9551452927.

The spelling of 140571617 in words is "one hundred forty million, five hundred seventy-one thousand, six hundred seventeen".