1105142133 has 4 divisors (see below), whose sum is σ = 1473522848. Its totient is φ = 736761420.

The previous prime is 1105142113. The next prime is 1105142141. The reversal of 1105142133 is 3312415011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3312415011 = 3 ⋅1104138337.

It is not a de Polignac number, because 1105142133 - 2¹⁰ = 1105141109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105142113) 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, 184190353 + ... + 184190358.

It is an arithmetic number, because the mean of its divisors is an integer number (368380712).

Almost surely, 2^1105142133 is an apocalyptic number.

It is an amenable number.

1105142133 is a deficient number, since it is larger than the sum of its proper divisors (368380715).

1105142133 is an equidigital number, since it uses as much as digits as its factorization.

1105142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368380714.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1105142133 is about 33243.6780907288. The cubic root of 1105142133 is about 1033.8861372225.

Adding to 1105142133 its reverse (3312415011), we get a palindrome (4417557144).

The spelling of 1105142133 in words is "one billion, one hundred five million, one hundred forty-two thousand, one hundred thirty-three".