140808017 has 8 divisors (see below), whose sum is σ = 164208000. Its totient is φ = 120692292.

The previous prime is 140808011. The next prime is 140808037. The reversal of 140808017 is 710808041.

It is not a de Polignac number, because 140808017 - 2⁸ = 140807761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140808011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204917 + ... + 205602.

It is an arithmetic number, because the mean of its divisors is an integer number (20526000).

Almost surely, 2^140808017 is an apocalyptic number.

It is an amenable number.

140808017 is a deficient number, since it is larger than the sum of its proper divisors (23399983).

140808017 is an frugal number, since it uses more digits than its factorization.

140808017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410540 (or 410526 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 140808017 is about 11866.2553908131. The cubic root of 140808017 is about 520.2464524562.

The spelling of 140808017 in words is "one hundred forty million, eight hundred eight thousand, seventeen".