140712618 has 16 divisors (see below), whose sum is σ = 281562336. Its totient is φ = 46881360.

The previous prime is 140712601. The next prime is 140712623. The reversal of 140712618 is 816217041.

140712618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11728 + ... + 20468.

It is an arithmetic number, because the mean of its divisors is an integer number (17597646).

Almost surely, 2^140712618 is an apocalyptic number.

140712618 is an abundant number, since it is smaller than the sum of its proper divisors (140849718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140712618 is a wasteful number, since it uses less digits than its factorization.

140712618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 140712618 is about 11862.2349496206. The cubic root of 140712618 is about 520.1289349902.

Adding to 140712618 its reverse (816217041), we get a palindrome (956929659).

The spelling of 140712618 in words is "one hundred forty million, seven hundred twelve thousand, six hundred eighteen".