1011142134 has 24 divisors (see below), whose sum is σ = 2193849840. Its totient is φ = 336579408.

The previous prime is 1011142129. The next prime is 1011142207. The reversal of 1011142134 is 4312411101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25549 + ... + 51720.

It is an arithmetic number, because the mean of its divisors is an integer number (91410410).

Almost surely, 2^1011142134 is an apocalyptic number.

1011142134 is an abundant number, since it is smaller than the sum of its proper divisors (1182707706).

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

1011142134 is a wasteful number, since it uses less digits than its factorization.

1011142134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78004 (or 78001 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1011142134 is about 31798.4611891834. The cubic root of 1011142134 is about 1003.7003352964.

Adding to 1011142134 its reverse (4312411101), we get a palindrome (5323553235).

The spelling of 1011142134 in words is "one billion, eleven million, one hundred forty-two thousand, one hundred thirty-four".