142840076437 has 2 divisors, whose sum is σ = 142840076438. Its totient is φ = 142840076436.

The previous prime is 142840076389. The next prime is 142840076513. The reversal of 142840076437 is 734670048241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135060660036 + 7779416401 = 367506^2 + 88201^2 .

It is a cyclic number.

It is not a de Polignac number, because 142840076437 - 2²³ = 142831687829 is a prime.

It is a super-2 number, since 2×142840076437² (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 (142840077437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71420038218 + 71420038219.

It is an arithmetic number, because the mean of its divisors is an integer number (71420038219).

Almost surely, 2^142840076437 is an apocalyptic number.

It is an amenable number.

142840076437 is a deficient number, since it is larger than the sum of its proper divisors (1).

142840076437 is an equidigital number, since it uses as much as digits as its factorization.

142840076437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 142840076437 in words is "one hundred forty-two billion, eight hundred forty million, seventy-six thousand, four hundred thirty-seven".