911140 has 12 divisors (see below), whose sum is σ = 1913436. Its totient is φ = 364448.

The previous prime is 911129. The next prime is 911147. The reversal of 911140 is 41119.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 357604 + 553536 = 598^2 + 744^2 .

It is not an unprimeable number, because it can be changed into a prime (911147) by changing a digit.

911140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 22759 + ... + 22798.

It is an arithmetic number, because the mean of its divisors is an integer number (159453).

2⁹¹¹¹⁴⁰ is an apocalyptic number.

It is an amenable number.

911140 is an abundant number, since it is smaller than the sum of its proper divisors (1002296).

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

911140 is a wasteful number, since it uses less digits than its factorization.

911140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45566 (or 45564 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 911140 is about 954.5365367549. The cubic root of 911140 is about 96.9456598604.

Adding to 911140 its reverse (41119), we get a palindrome (952259).

It can be divided in two parts, 91 and 1140, that multiplied together give a triangular number (103740 = T₄₅₅).

The spelling of 911140 in words is "nine hundred eleven thousand, one hundred forty".