140008417 has 4 divisors (see below), whose sum is σ = 140672176. Its totient is φ = 139344660.

The previous prime is 140008411. The next prime is 140008423. The reversal of 140008417 is 714800041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (140008411) and next prime (140008423).

It is a cyclic number.

It is not a de Polignac number, because 140008417 - 2³ = 140008409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140008391 and 140008400.

It is not an unprimeable number, because it can be changed into a prime (140008411) 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 3 ways as a sum of consecutive naturals, for example, 331563 + ... + 331984.

It is an arithmetic number, because the mean of its divisors is an integer number (35168044).

Almost surely, 2^140008417 is an apocalyptic number.

It is an amenable number.

140008417 is a deficient number, since it is larger than the sum of its proper divisors (663759).

140008417 is an equidigital number, since it uses as much as digits as its factorization.

140008417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663758.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 140008417 is about 11832.5152440215. The cubic root of 140008417 is about 519.2598159820.

Adding to 140008417 its reverse (714800041), we get a palindrome (854808458).

The spelling of 140008417 in words is "one hundred forty million, eight thousand, four hundred seventeen".