140984840 has 16 divisors (see below), whose sum is σ = 317215980. Its totient is φ = 56393920.

The previous prime is 140984821. The next prime is 140984849. The reversal of 140984840 is 48489041.

It can be written as a sum of positive squares in 2 ways, for example, as 119990116 + 20994724 = 10954^2 + 4582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140984794 and 140984803.

It is not an unprimeable number, because it can be changed into a prime (140984849) 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, 1762271 + ... + 1762350.

Almost surely, 2^140984840 is an apocalyptic number.

140984840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140984840 is an abundant number, since it is smaller than the sum of its proper divisors (176231140).

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

140984840 is a wasteful number, since it uses less digits than its factorization.

140984840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524632 (or 3524628 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 140984840 is about 11873.7037187223. The cubic root of 140984840 is about 520.4641319615.

The spelling of 140984840 in words is "one hundred forty million, nine hundred eighty-four thousand, eight hundred forty".