142130533 has 6 divisors (see below), whose sum is σ = 143562002. Its totient is φ = 140713200.

The previous prime is 142130519. The next prime is 142130539. The reversal of 142130533 is 335031241.

It can be written as a sum of positive squares in 3 ways, for example, as 135070884 + 7059649 = 11622^2 + 2657^2 .

It is not a de Polignac number, because 142130533 - 2¹³ = 142122341 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 (142130539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3235 + ... + 17167.

Almost surely, 2^142130533 is an apocalyptic number.

It is an amenable number.

142130533 is a deficient number, since it is larger than the sum of its proper divisors (1431469).

142130533 is an equidigital number, since it uses as much as digits as its factorization.

142130533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135 (or 14034 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 142130533 is about 11921.8510727152. The cubic root of 142130533 is about 521.8701558014.

Adding to 142130533 its reverse (335031241), we get a palindrome (477161774).

The spelling of 142130533 in words is "one hundred forty-two million, one hundred thirty thousand, five hundred thirty-three".