140973189 has 16 divisors (see below), whose sum is σ = 214998528. Its totient is φ = 80487792.

The previous prime is 140973181. The next prime is 140973193. The reversal of 140973189 is 981379041.

It is a happy number.

It is not a de Polignac number, because 140973189 - 2³ = 140973181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140973189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140973181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32994 + ... + 37020.

It is an arithmetic number, because the mean of its divisors is an integer number (13437408).

Almost surely, 2^140973189 is an apocalyptic number.

It is an amenable number.

140973189 is a deficient number, since it is larger than the sum of its proper divisors (74025339).

140973189 is a wasteful number, since it uses less digits than its factorization.

140973189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 140973189 is about 11873.2130866080. The cubic root of 140973189 is about 520.4497944988.

The spelling of 140973189 in words is "one hundred forty million, nine hundred seventy-three thousand, one hundred eighty-nine".