142330021189 has 2 divisors, whose sum is σ = 142330021190. Its totient is φ = 142330021188.

The previous prime is 142330021121. The next prime is 142330021261. The reversal of 142330021189 is 981120033241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142268524225 + 61496964 = 377185^2 + 7842^2 .

It is an emirp because it is prime and its reverse (981120033241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142330021189 - 2¹³ = 142330012997 is a prime.

It is a super-2 number, since 2×142330021189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142330021489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71165010594 + 71165010595.

It is an arithmetic number, because the mean of its divisors is an integer number (71165010595).

Almost surely, 2^142330021189 is an apocalyptic number.

It is an amenable number.

142330021189 is a deficient number, since it is larger than the sum of its proper divisors (1).

142330021189 is an equidigital number, since it uses as much as digits as its factorization.

142330021189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 142330021189 in words is "one hundred forty-two billion, three hundred thirty million, twenty-one thousand, one hundred eighty-nine".