11140123134 has 16 divisors (see below), whose sum is σ = 25463138688. Its totient is φ = 3182892312.

The previous prime is 11140123067. The next prime is 11140123139. The reversal of 11140123134 is 43132104111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11140123134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140123139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132620472 + ... + 132620555.

It is an arithmetic number, because the mean of its divisors is an integer number (1591446168).

Almost surely, 2^11140123134 is an apocalyptic number.

11140123134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11140123134 is an abundant number, since it is smaller than the sum of its proper divisors (14323015554).

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

11140123134 is a wasteful number, since it uses less digits than its factorization.

11140123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265241039.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11140123134 its reverse (43132104111), we get a palindrome (54272227245).

The spelling of 11140123134 in words is "eleven billion, one hundred forty million, one hundred twenty-three thousand, one hundred thirty-four".