11072138 has 24 divisors (see below), whose sum is σ = 21078144. Its totient is φ = 4313400.

The previous prime is 11072123. The next prime is 11072141. The reversal of 11072138 is 83127011.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 4058 + ... + 6213.

It is an arithmetic number, because the mean of its divisors is an integer number (878256).

Almost surely, 2^11072138 is an apocalyptic number.

11072138 is a deficient number, since it is larger than the sum of its proper divisors (10006006).

11072138 is a wasteful number, since it uses less digits than its factorization.

11072138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10291 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11072138 is about 3327.4822313575. The cubic root of 11072138 is about 222.8831122096.

Adding to 11072138 its reverse (83127011), we get a palindrome (94199149).

The spelling of 11072138 in words is "eleven million, seventy-two thousand, one hundred thirty-eight".