11530134 has 128 divisors (see below), whose sum is σ = 33177600. Its totient is φ = 2881440.

The previous prime is 11530133. The next prime is 11530157. The reversal of 11530134 is 43103511.

11530134 = T₂₅₂ + T₂₅₃ + ... + T₄₃₉.

11530134 is a `hidden beast` number, since 1 + 1 + 530 + 134 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195397 + ... + 195455.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^11530134 is an apocalyptic number.

11530134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11530134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16588800).

11530134 is an abundant number, since it is smaller than the sum of its proper divisors (21647466).

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

11530134 is a wasteful number, since it uses less digits than its factorization.

11530134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11530134 is about 3395.6051007147. The cubic root of 11530134 is about 225.9148529322.

Adding to 11530134 its reverse (43103511), we get a palindrome (54633645).

It can be divided in two parts, 11530 and 134, that added together give a square (11664 = 108²).

The spelling of 11530134 in words is "eleven million, five hundred thirty thousand, one hundred thirty-four".