140630847 has 8 divisors (see below), whose sum is σ = 214294656. Its totient is φ = 80360472.

The previous prime is 140630839. The next prime is 140630857. The reversal of 140630847 is 748036041.

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

It is not a de Polignac number, because 140630847 - 2³ = 140630839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140630827) 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, 3348333 + ... + 3348374.

It is an arithmetic number, because the mean of its divisors is an integer number (26786832).

Almost surely, 2^140630847 is an apocalyptic number.

140630847 is a deficient number, since it is larger than the sum of its proper divisors (73663809).

140630847 is an equidigital number, since it uses as much as digits as its factorization.

140630847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696717.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 140630847 is about 11858.7877542353. The cubic root of 140630847 is about 520.0281629224.

Adding to 140630847 its reverse (748036041), we get a palindrome (888666888).

The spelling of 140630847 in words is "one hundred forty million, six hundred thirty thousand, eight hundred forty-seven".