2011540134 has 16 divisors (see below), whose sum is σ = 4023521280. Its totient is φ = 670439880.

The previous prime is 2011540133. The next prime is 2011540151. The reversal of 2011540134 is 4310451102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011540134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011540133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91027 + ... + 110945.

It is an arithmetic number, because the mean of its divisors is an integer number (251470080).

Almost surely, 2^2011540134 is an apocalyptic number.

2011540134 is an abundant number, since it is smaller than the sum of its proper divisors (2011981146).

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

2011540134 is a wasteful number, since it uses less digits than its factorization.

2011540134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36755.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2011540134 is about 44850.1965881979. The cubic root of 2011540134 is about 1262.3396802470.

Adding to 2011540134 its reverse (4310451102), we get a palindrome (6321991236).

The spelling of 2011540134 in words is "two billion, eleven million, five hundred forty thousand, one hundred thirty-four".