140468917 has 8 divisors (see below), whose sum is σ = 145883936. Its totient is φ = 135151632.

The previous prime is 140468903. The next prime is 140468927. The reversal of 140468917 is 719864041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140468917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140468917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140468927) 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, 21498 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (18235492).

Almost surely, 2^140468917 is an apocalyptic number.

It is an amenable number.

140468917 is a deficient number, since it is larger than the sum of its proper divisors (5415019).

140468917 is an equidigital number, since it uses as much as digits as its factorization.

140468917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48867.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 140468917 is about 11851.9583613848. The cubic root of 140468917 is about 519.8284900353.

The spelling of 140468917 in words is "one hundred forty million, four hundred sixty-eight thousand, nine hundred seventeen".