1142136133 has 4 divisors (see below), whose sum is σ = 1142327968. Its totient is φ = 1141944300.

The previous prime is 1142136067. The next prime is 1142136137. The reversal of 1142136133 is 3316312411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1142136133 - 2¹³ = 1142127941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142136098 and 1142136107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142136137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86691 + ... + 98992.

It is an arithmetic number, because the mean of its divisors is an integer number (285581992).

Almost surely, 2^1142136133 is an apocalyptic number.

It is an amenable number.

1142136133 is a deficient number, since it is larger than the sum of its proper divisors (191835).

1142136133 is an equidigital number, since it uses as much as digits as its factorization.

1142136133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191834.

The product of its digits is 1296, while the sum is 25.

The square root of 1142136133 is about 33795.5046270950. The cubic root of 1142136133 is about 1045.2960046059.

Adding to 1142136133 its reverse (3316312411), we get a palindrome (4458448544).

The spelling of 1142136133 in words is "one billion, one hundred forty-two million, one hundred thirty-six thousand, one hundred thirty-three".