140244207 has 8 divisors (see below), whose sum is σ = 187047600. Its totient is φ = 93468480.

The previous prime is 140244161. The next prime is 140244211. The reversal of 140244207 is 702442041.

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

It is not a de Polignac number, because 140244207 - 2¹¹ = 140242159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244227) 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, 13669 + ... + 21617.

It is an arithmetic number, because the mean of its divisors is an integer number (23380950).

Almost surely, 2^140244207 is an apocalyptic number.

140244207 is a deficient number, since it is larger than the sum of its proper divisors (46803393).

140244207 is an equidigital number, since it uses as much as digits as its factorization.

140244207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13833.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 140244207 is about 11842.4746991497. The cubic root of 140244207 is about 519.5511499049.

Adding to 140244207 its reverse (702442041), we get a palindrome (842686248).

The spelling of 140244207 in words is "one hundred forty million, two hundred forty-four thousand, two hundred seven".