140987344 has 20 divisors (see below), whose sum is σ = 277794720. Its totient is φ = 69298400.

The previous prime is 140987317. The next prime is 140987359. The reversal of 140987344 is 443789041.

It is a junction number, because it is equal to n+sod(n) for n = 140987297 and 140987306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73732 + ... + 75619.

It is an arithmetic number, because the mean of its divisors is an integer number (13889736).

Almost surely, 2^140987344 is an apocalyptic number.

It is an amenable number.

140987344 is a deficient number, since it is larger than the sum of its proper divisors (136807376).

140987344 is a wasteful number, since it uses less digits than its factorization.

140987344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149418 (or 149412 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 140987344 is about 11873.8091613433. The cubic root of 140987344 is about 520.4672132254.

The spelling of 140987344 in words is "one hundred forty million, nine hundred eighty-seven thousand, three hundred forty-four".