11731134 has 16 divisors (see below), whose sum is σ = 23545872. Its totient is φ = 3896448.

The previous prime is 11731129. The next prime is 11731141. The reversal of 11731134 is 43113711.

It is a self number, because there is not a number n which added to its sum of digits gives 11731134.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 5094.

It is an arithmetic number, because the mean of its divisors is an integer number (1471617).

Almost surely, 2^11731134 is an apocalyptic number.

11731134 is an abundant number, since it is smaller than the sum of its proper divisors (11814738).

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

11731134 is a wasteful number, since it uses less digits than its factorization.

11731134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its digits is 252, while the sum is 21.

The square root of 11731134 is about 3425.0743057633. The cubic root of 11731134 is about 227.2200573900.

Adding to 11731134 its reverse (43113711), we get a palindrome (54844845).

The spelling of 11731134 in words is "eleven million, seven hundred thirty-one thousand, one hundred thirty-four".