140898717 has 8 divisors (see below), whose sum is σ = 208738880. Its totient is φ = 93932460.

The previous prime is 140898697. The next prime is 140898749. The reversal of 140898717 is 717898041.

It is not a de Polignac number, because 140898717 - 2¹⁰ = 140897693 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 (140898757) 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, 2609209 + ... + 2609262.

It is an arithmetic number, because the mean of its divisors is an integer number (26092360).

Almost surely, 2^140898717 is an apocalyptic number.

It is an amenable number.

140898717 is a deficient number, since it is larger than the sum of its proper divisors (67840163).

140898717 is an equidigital number, since it uses as much as digits as its factorization.

140898717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218480 (or 5218474 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 140898717 is about 11870.0765372427. The cubic root of 140898717 is about 520.3581322368.

The spelling of 140898717 in words is "one hundred forty million, eight hundred ninety-eight thousand, seven hundred seventeen".