11142734 has 8 divisors (see below), whose sum is σ = 17121888. Its totient is φ = 5435440.

The previous prime is 11142731. The next prime is 11142751. The reversal of 11142734 is 43724111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67862 + ... + 68025.

It is an arithmetic number, because the mean of its divisors is an integer number (2140236).

Almost surely, 2^11142734 is an apocalyptic number.

11142734 is a deficient number, since it is larger than the sum of its proper divisors (5979154).

11142734 is a wasteful number, since it uses less digits than its factorization.

11142734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135930.

The product of its digits is 672, while the sum is 23.

The square root of 11142734 is about 3338.0733964369. The cubic root of 11142734 is about 223.3558102177.

Adding to 11142734 its reverse (43724111), we get a palindrome (54866845).

It can be divided in two parts, 111 and 42734, that multiplied together give a palindrome (4743474).

The spelling of 11142734 in words is "eleven million, one hundred forty-two thousand, seven hundred thirty-four".