1134540 has 96 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 273600.

The previous prime is 1134517. The next prime is 1134541. The reversal of 1134540 is 454311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1134541) 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 31 ways as a sum of consecutive naturals, for example, 5845 + ... + 6035.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2^1134540 is an apocalyptic number.

1134540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935360).

1134540 is an abundant number, since it is smaller than the sum of its proper divisors (2736180).

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

1134540 is a wasteful number, since it uses less digits than its factorization.

1134540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1134540 is about 1065.1478770575. The cubic root of 1134540 is about 104.2973492277.

Adding to 1134540 its reverse (454311), we get a palindrome (1588851).

The spelling of 1134540 in words is "one million, one hundred thirty-four thousand, five hundred forty".