140702431717 has 16 divisors (see below), whose sum is σ = 148375024000. Its totient is φ = 133056800064.

The previous prime is 140702431687. The next prime is 140702431733. The reversal of 140702431717 is 717134207041.

It is a cyclic number.

It is not a de Polignac number, because 140702431717 - 2⁷ = 140702431589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140702431777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41712643 + ... + 41716015.

It is an arithmetic number, because the mean of its divisors is an integer number (9273439000).

Almost surely, 2^140702431717 is an apocalyptic number.

It is an amenable number.

140702431717 is a deficient number, since it is larger than the sum of its proper divisors (7672592283).

140702431717 is a wasteful number, since it uses less digits than its factorization.

140702431717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700.

The product of its (nonzero) digits is 32928, while the sum is 37.

Adding to 140702431717 its reverse (717134207041), we get a palindrome (857836638758).

The spelling of 140702431717 in words is "one hundred forty billion, seven hundred two million, four hundred thirty-one thousand, seven hundred seventeen".