1135140 has 24 divisors (see below), whose sum is σ = 3178560. Its totient is φ = 302688.

The previous prime is 1135133. The next prime is 1135159. The reversal of 1135140 is 415311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (132440).

2^1135140 is an apocalyptic number.

1135140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135140 is an abundant number, since it is smaller than the sum of its proper divisors (2043420).

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

1135140 is a wasteful number, since it uses less digits than its factorization.

1135140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931 (or 18929 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1135140 is about 1065.4294908627. The cubic root of 1135140 is about 104.3157318266.

It can be divided in two parts, 1135 and 140, that added together give a triangular number (1275 = T₅₀).

The spelling of 1135140 in words is "one million, one hundred thirty-five thousand, one hundred forty".