140420242120311 has 12 divisors (see below), whose sum is σ = 203022593482800. Its totient is φ = 93524254040160.

The previous prime is 140420242120303. The next prime is 140420242120313. The reversal of 140420242120311 is 113021242024041.

140420242120311 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 20 + 2 + 421 + 203 + 11 = 666.

It is not a de Polignac number, because 140420242120311 - 2³ = 140420242120303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420242120313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7436715595 + ... + 7436734476.

It is an arithmetic number, because the mean of its divisors is an integer number (16918549456900).

Almost surely, 2^{140420242120311} is an apocalyptic number.

140420242120311 is a deficient number, since it is larger than the sum of its proper divisors (62602351362489).

140420242120311 is a wasteful number, since it uses less digits than its factorization.

140420242120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873451126 (or 14873451123 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140420242120311 its reverse (113021242024041), we get a palindrome (253441484144352).

The spelling of 140420242120311 in words is "one hundred forty trillion, four hundred twenty billion, two hundred forty-two million, one hundred twenty thousand, three hundred eleven".