142100140309 has 2 divisors, whose sum is σ = 142100140310. Its totient is φ = 142100140308.

The previous prime is 142100140211. The next prime is 142100140349. The reversal of 142100140309 is 903041001241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113045233284 + 29054907025 = 336222^2 + 170455^2 .

It is an emirp because it is prime and its reverse (903041001241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142100140309 - 2²⁵ = 142066585877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142100140349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71050070154 + 71050070155.

It is an arithmetic number, because the mean of its divisors is an integer number (71050070155).

Almost surely, 2^142100140309 is an apocalyptic number.

It is an amenable number.

142100140309 is a deficient number, since it is larger than the sum of its proper divisors (1).

142100140309 is an equidigital number, since it uses as much as digits as its factorization.

142100140309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 142100140309 in words is "one hundred forty-two billion, one hundred million, one hundred forty thousand, three hundred nine".