142185997127330 has 32 divisors (see below), whose sum is σ = 275986184799024. Its totient is φ = 52430093081856.

The previous prime is 142185997127311. The next prime is 142185997127413. The reversal of 142185997127330 is 33721799581241.

It is a Cunningham number, because it is equal to 11924177²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 51186970413049 + 90999026714281 = 7154507^2 + 9539341^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722317997 + ... + 722514816.

Almost surely, 2^{142185997127330} is an apocalyptic number.

142185997127330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142185997127330 is a deficient number, since it is larger than the sum of its proper divisors (133800187671694).

142185997127330 is a wasteful number, since it uses less digits than its factorization.

142185997127330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444833590.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 142185997127330 in words is "one hundred forty-two trillion, one hundred eighty-five billion, nine hundred ninety-seven million, one hundred twenty-seven thousand, three hundred thirty".