142100393 has 2 divisors, whose sum is σ = 142100394. Its totient is φ = 142100392.

The previous prime is 142100389. The next prime is 142100407. The reversal of 142100393 is 393001241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117765904 + 24334489 = 10852^2 + 4933^2 .

It is a cyclic number.

It is not a de Polignac number, because 142100393 - 2² = 142100389 is a prime.

It is not a weakly prime, because it can be changed into another prime (142100333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71050196 + 71050197.

It is an arithmetic number, because the mean of its divisors is an integer number (71050197).

Almost surely, 2^142100393 is an apocalyptic number.

It is an amenable number.

142100393 is a deficient number, since it is larger than the sum of its proper divisors (1).

142100393 is an equidigital number, since it uses as much as digits as its factorization.

142100393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 142100393 is about 11920.5869402475. The cubic root of 142100393 is about 521.8332641776.

The spelling of 142100393 in words is "one hundred forty-two million, one hundred thousand, three hundred ninety-three".