140000729 has 16 divisors (see below), whose sum is σ = 162202176. Its totient is φ = 119424000.

The previous prime is 140000723. The next prime is 140000737. The reversal of 140000729 is 927000041.

140000729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140000729 - 2⁴ = 140000713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140000723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74054 + ... + 75920.

It is an arithmetic number, because the mean of its divisors is an integer number (10137636).

Almost surely, 2^140000729 is an apocalyptic number.

It is an amenable number.

140000729 is a deficient number, since it is larger than the sum of its proper divisors (22201447).

140000729 is a wasteful number, since it uses less digits than its factorization.

140000729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 140000729 is about 11832.1903720317. The cubic root of 140000729 is about 519.2503114522.

The spelling of 140000729 in words is "one hundred forty million, seven hundred twenty-nine", and thus it is an aban number.