2011142134 has 32 divisors (see below), whose sum is σ = 3264403680. Its totient is φ = 926295552.

The previous prime is 2011142099. The next prime is 2011142137. The reversal of 2011142134 is 4312411102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011142137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223164 + ... + 232000.

It is an arithmetic number, because the mean of its divisors is an integer number (102012615).

Almost surely, 2^2011142134 is an apocalyptic number.

2011142134 is a deficient number, since it is larger than the sum of its proper divisors (1253261546).

2011142134 is a wasteful number, since it uses less digits than its factorization.

2011142134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2011142134 is about 44845.7593758875. The cubic root of 2011142134 is about 1262.2564199426.

Adding to 2011142134 its reverse (4312411102), we get a palindrome (6323553236).

The spelling of 2011142134 in words is "two billion, eleven million, one hundred forty-two thousand, one hundred thirty-four".