140007847 has 6 divisors (see below), whose sum is σ = 162866328. Its totient is φ = 120006684.

The previous prime is 140007839. The next prime is 140007859. The reversal of 140007847 is 748700041.

It is not a de Polignac number, because 140007847 - 2³ = 140007839 is a prime.

It is a super-3 number, since 3×140007847³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140007887) 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 5 ways as a sum of consecutive naturals, for example, 1428603 + ... + 1428700.

It is an arithmetic number, because the mean of its divisors is an integer number (27144388).

Almost surely, 2^140007847 is an apocalyptic number.

140007847 is a deficient number, since it is larger than the sum of its proper divisors (22858481).

140007847 is an equidigital number, since it uses as much as digits as its factorization.

140007847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857317 (or 2857310 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 140007847 is about 11832.4911578247. The cubic root of 140007847 is about 519.2591113137.

Adding to 140007847 its reverse (748700041), we get a palindrome (888707888).

The spelling of 140007847 in words is "one hundred forty million, seven thousand, eight hundred forty-seven".