142420011133 has 8 divisors (see below), whose sum is σ = 142861350008. Its totient is φ = 141978783744.

The previous prime is 142420011073. The next prime is 142420011137. The reversal of 142420011133 is 331110024241.

It can be written as a sum of positive squares in 4 ways, for example, as 17515728409 + 124904282724 = 132347^2 + 353418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142420011133 - 2¹⁷ = 142419880061 is a prime.

It is a super-2 number, since 2×142420011133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420011137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054685 + ... + 3100957.

It is an arithmetic number, because the mean of its divisors is an integer number (17857668751).

Almost surely, 2^142420011133 is an apocalyptic number.

It is an amenable number.

142420011133 is a deficient number, since it is larger than the sum of its proper divisors (441338875).

142420011133 is an equidigital number, since it uses as much as digits as its factorization.

142420011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55743.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 142420011133 its reverse (331110024241), we get a palindrome (473530035374).

The spelling of 142420011133 in words is "one hundred forty-two billion, four hundred twenty million, eleven thousand, one hundred thirty-three".