140342011 has 2 divisors, whose sum is σ = 140342012. Its totient is φ = 140342010.

The previous prime is 140342009. The next prime is 140342051. The reversal of 140342011 is 110243041.

It is a weak prime.

It is an emirp because it is prime and its reverse (110243041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140342011 - 2¹ = 140342009 is a prime.

Together with 140342009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140342051) 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, 70171005 + 70171006.

It is an arithmetic number, because the mean of its divisors is an integer number (70171006).

Almost surely, 2^140342011 is an apocalyptic number.

140342011 is a deficient number, since it is larger than the sum of its proper divisors (1).

140342011 is an equidigital number, since it uses as much as digits as its factorization.

140342011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140342011 is about 11846.6033528603. The cubic root of 140342011 is about 519.6718973116.

Adding to 140342011 its reverse (110243041), we get a palindrome (250585052).

The spelling of 140342011 in words is "one hundred forty million, three hundred forty-two thousand, eleven".