140194729 has 8 divisors (see below), whose sum is σ = 151335360. Its totient is φ = 129474576.

The previous prime is 140194687. The next prime is 140194783. The reversal of 140194729 is 927491041.

140194729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140194729 - 2¹⁹ = 139670441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140194829) 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, 104427 + ... + 105760.

It is an arithmetic number, because the mean of its divisors is an integer number (18916920).

Almost surely, 2^140194729 is an apocalyptic number.

It is an amenable number.

140194729 is a deficient number, since it is larger than the sum of its proper divisors (11140631).

140194729 is a wasteful number, since it uses less digits than its factorization.

140194729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210239.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 140194729 is about 11840.3855089266. The cubic root of 140194729 is about 519.4900436959.

The spelling of 140194729 in words is "one hundred forty million, one hundred ninety-four thousand, seven hundred twenty-nine".