142637144393 has 2 divisors, whose sum is σ = 142637144394. Its totient is φ = 142637144392.

The previous prime is 142637144341. The next prime is 142637144407. The reversal of 142637144393 is 393441736241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130456048969 + 12181095424 = 361187^2 + 110368^2 .

It is a cyclic number.

It is not a de Polignac number, because 142637144393 - 2⁸ = 142637144137 is a prime.

It is not a weakly prime, because it can be changed into another prime (142637144093) 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, 71318572196 + 71318572197.

It is an arithmetic number, because the mean of its divisors is an integer number (71318572197).

Almost surely, 2^142637144393 is an apocalyptic number.

It is an amenable number.

142637144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

142637144393 is an equidigital number, since it uses as much as digits as its factorization.

142637144393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 47.

The spelling of 142637144393 in words is "one hundred forty-two billion, six hundred thirty-seven million, one hundred forty-four thousand, three hundred ninety-three".