10939140 has 36 divisors (see below), whose sum is σ = 33182604. Its totient is φ = 2917056.

The previous prime is 10939139. The next prime is 10939141. The reversal of 10939140 is 4193901.

It is an interprime number because it is at equal distance from previous prime (10939139) and next prime (10939141).

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 4064256 = 2622^2 + 2016^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (10939141) 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 11 ways as a sum of consecutive naturals, for example, 30207 + ... + 30566.

It is an arithmetic number, because the mean of its divisors is an integer number (921739).

Almost surely, 2^10939140 is an apocalyptic number.

10939140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10939140 is an abundant number, since it is smaller than the sum of its proper divisors (22243464).

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

10939140 is a wasteful number, since it uses less digits than its factorization.

10939140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60788 (or 60783 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10939140 is about 3307.4370742313. The cubic root of 10939140 is about 221.9870944531.

The spelling of 10939140 in words is "ten million, nine hundred thirty-nine thousand, one hundred forty".