140984660 has 24 divisors (see below), whose sum is σ = 306278280. Its totient is φ = 54449024.

The previous prime is 140984593. The next prime is 140984663. The reversal of 140984660 is 66489041.

140984660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20775364 + 120209296 = 4558^2 + 10964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140984663) 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 7 ways as a sum of consecutive naturals, for example, 120959 + ... + 122118.

It is an arithmetic number, because the mean of its divisors is an integer number (12761595).

Almost surely, 2^140984660 is an apocalyptic number.

140984660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140984660 is an abundant number, since it is smaller than the sum of its proper divisors (165293620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140984660 is a wasteful number, since it uses less digits than its factorization.

140984660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243115 (or 243113 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 140984660 is about 11873.6961389451. The cubic root of 140984660 is about 520.4639104635.

The spelling of 140984660 in words is "one hundred forty million, nine hundred eighty-four thousand, six hundred sixty".