142111133 has 2 divisors, whose sum is σ = 142111134. Its totient is φ = 142111132.

The previous prime is 142111121. The next prime is 142111159. The reversal of 142111133 is 331111241.

142111133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129458884 + 12652249 = 11378^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 142111133 - 2⁸ = 142110877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142111163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71055566 + 71055567.

It is an arithmetic number, because the mean of its divisors is an integer number (71055567).

Almost surely, 2^142111133 is an apocalyptic number.

It is an amenable number.

142111133 is a deficient number, since it is larger than the sum of its proper divisors (1).

142111133 is an equidigital number, since it uses as much as digits as its factorization.

142111133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 142111133 is about 11921.0374129100. The cubic root of 142111133 is about 521.8464106298.

Adding to 142111133 its reverse (331111241), we get a palindrome (473222374).

The spelling of 142111133 in words is "one hundred forty-two million, one hundred eleven thousand, one hundred thirty-three".