1100142133 has 4 divisors (see below), whose sum is σ = 1100530060. Its totient is φ = 1099754208.

The previous prime is 1100142091. The next prime is 1100142151. The reversal of 1100142133 is 3312410011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 820650609 + 279491524 = 28647^2 + 16718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100142133 - 2²⁹ = 563271221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100142163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189678 + ... + 195391.

It is an arithmetic number, because the mean of its divisors is an integer number (275132515).

Almost surely, 2^1100142133 is an apocalyptic number.

It is an amenable number.

1100142133 is a deficient number, since it is larger than the sum of its proper divisors (387927).

1100142133 is an equidigital number, since it uses as much as digits as its factorization.

1100142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387926.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1100142133 is about 33168.3905699387. The cubic root of 1100142133 is about 1032.3245744717.

Adding to 1100142133 its reverse (3312410011), we get a palindrome (4412552144).

The spelling of 1100142133 in words is "one billion, one hundred million, one hundred forty-two thousand, one hundred thirty-three".