140300342381 has 2 divisors, whose sum is σ = 140300342382. Its totient is φ = 140300342380.

The previous prime is 140300342311. The next prime is 140300342449. The reversal of 140300342381 is 183243003041.

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., 99708166756 + 40592175625 = 315766^2 + 201475^2 .

It is a cyclic number.

It is not a de Polignac number, because 140300342381 - 2²² = 140296148077 is a prime.

It is a super-2 number, since 2×140300342381² (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 (140300342311) 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, 70150171190 + 70150171191.

It is an arithmetic number, because the mean of its divisors is an integer number (70150171191).

Almost surely, 2^140300342381 is an apocalyptic number.

It is an amenable number.

140300342381 is a deficient number, since it is larger than the sum of its proper divisors (1).

140300342381 is an equidigital number, since it uses as much as digits as its factorization.

140300342381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 140300342381 in words is "one hundred forty billion, three hundred million, three hundred forty-two thousand, three hundred eighty-one".