140544430989 has 8 divisors (see below), whose sum is σ = 188427893472. Its totient is φ = 93178627920.

The previous prime is 140544430987. The next prime is 140544430997. The reversal of 140544430989 is 989034445041.

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

It is not a de Polignac number, because 140544430989 - 2¹ = 140544430987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140544430987) 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, 129414219 + ... + 129415304.

It is an arithmetic number, because the mean of its divisors is an integer number (23553486684).

Almost surely, 2^140544430989 is an apocalyptic number.

It is an amenable number.

140544430989 is a deficient number, since it is larger than the sum of its proper divisors (47883462483).

140544430989 is a wasteful number, since it uses less digits than its factorization.

140544430989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258829707.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 140544430989 in words is "one hundred forty billion, five hundred forty-four million, four hundred thirty thousand, nine hundred eighty-nine".