140086724 has 12 divisors (see below), whose sum is σ = 245243964. Its totient is φ = 70017024.

The previous prime is 140086717. The next prime is 140086729. The reversal of 140086724 is 427680041.

140086724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79744900 + 60341824 = 8930^2 + 7768^2 .

It is not an unprimeable number, because it can be changed into a prime (140086729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10052 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (20436997).

Almost surely, 2^140086724 is an apocalyptic number.

It is an amenable number.

140086724 is a deficient number, since it is larger than the sum of its proper divisors (105157240).

140086724 is a wasteful number, since it uses less digits than its factorization.

140086724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174 (or 13172 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 140086724 is about 11835.8237567142. The cubic root of 140086724 is about 519.3566056392.

The spelling of 140086724 in words is "one hundred forty million, eighty-six thousand, seven hundred twenty-four".