140544166 has 8 divisors (see below), whose sum is σ = 240932880. Its totient is φ = 60233208.

The previous prime is 140544163. The next prime is 140544223. The reversal of 140544166 is 661445041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140544163) 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, 5019421 + ... + 5019448.

It is an arithmetic number, because the mean of its divisors is an integer number (30116610).

Almost surely, 2^140544166 is an apocalyptic number.

140544166 is a deficient number, since it is larger than the sum of its proper divisors (100388714).

140544166 is a wasteful number, since it uses less digits than its factorization.

140544166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038878.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 140544166 is about 11855.1324750085. The cubic root of 140544166 is about 519.9212972604.

The spelling of 140544166 in words is "one hundred forty million, five hundred forty-four thousand, one hundred sixty-six".