1142264133 has 16 divisors (see below), whose sum is σ = 1695055360. Its totient is φ = 760243968.

The previous prime is 1142264089. The next prime is 1142264191. The reversal of 1142264133 is 3314622411.

It is a happy number.

1142264133 is a `hidden beast` number, since 1 + 14 + 2 + 2 + 641 + 3 + 3 = 666.

It is not a de Polignac number, because 1142264133 - 2⁸ = 1142263877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142264097 and 1142264106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142254133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18460 + ... + 51237.

It is an arithmetic number, because the mean of its divisors is an integer number (105940960).

Almost surely, 2^1142264133 is an apocalyptic number.

It is an amenable number.

1142264133 is a deficient number, since it is larger than the sum of its proper divisors (552791227).

1142264133 is an equidigital number, since it uses as much as digits as its factorization.

1142264133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70313 (or 70307 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1142264133 is about 33797.3983170303. The cubic root of 1142264133 is about 1045.3350521668.

Adding to 1142264133 its reverse (3314622411), we get a palindrome (4456886544).

The spelling of 1142264133 in words is "one billion, one hundred forty-two million, two hundred sixty-four thousand, one hundred thirty-three".