140717397 has 16 divisors (see below), whose sum is σ = 189941760. Its totient is φ = 92659392.

The previous prime is 140717359. The next prime is 140717413. The reversal of 140717397 is 793717041.

It is not a de Polignac number, because 140717397 - 2⁶ = 140717333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140717497) 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 in 15 ways as a sum of consecutive naturals, for example, 101803 + ... + 103175.

It is an arithmetic number, because the mean of its divisors is an integer number (11871360).

Almost surely, 2^140717397 is an apocalyptic number.

It is an amenable number.

140717397 is a deficient number, since it is larger than the sum of its proper divisors (49224363).

140717397 is a wasteful number, since it uses less digits than its factorization.

140717397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 140717397 is about 11862.4363854986. The cubic root of 140717397 is about 520.1348232753.

The spelling of 140717397 in words is "one hundred forty million, seven hundred seventeen thousand, three hundred ninety-seven".