140335086917 has 2 divisors, whose sum is σ = 140335086918. Its totient is φ = 140335086916.

The previous prime is 140335086901. The next prime is 140335086961. The reversal of 140335086917 is 719680533041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106987213921 + 33347872996 = 327089^2 + 182614^2 .

It is a cyclic number.

It is not a de Polignac number, because 140335086917 - 2⁴ = 140335086901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140335086977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70167543458 + 70167543459.

It is an arithmetic number, because the mean of its divisors is an integer number (70167543459).

Almost surely, 2^140335086917 is an apocalyptic number.

It is an amenable number.

140335086917 is a deficient number, since it is larger than the sum of its proper divisors (1).

140335086917 is an equidigital number, since it uses as much as digits as its factorization.

140335086917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 140335086917 in words is "one hundred forty billion, three hundred thirty-five million, eighty-six thousand, nine hundred seventeen".