140242234133 has 4 divisors (see below), whose sum is σ = 140243048268. Its totient is φ = 140241420000.

The previous prime is 140242234129. The next prime is 140242234141. The reversal of 140242234133 is 331432242041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 331432242041 = 139 ⋅2384404619.

It can be written as a sum of positive squares in 2 ways, for example, as 52165646404 + 88076587729 = 228398^2 + 296777^2 .

It is a cyclic number.

It is not a de Polignac number, because 140242234133 - 2² = 140242234129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140242234096 and 140242234105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140242234183) 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 in 3 ways as a sum of consecutive naturals, for example, 35816 + ... + 530817.

It is an arithmetic number, because the mean of its divisors is an integer number (35060762067).

Almost surely, 2^140242234133 is an apocalyptic number.

It is an amenable number.

140242234133 is a deficient number, since it is larger than the sum of its proper divisors (814135).

140242234133 is an equidigital number, since it uses as much as digits as its factorization.

140242234133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814134.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140242234133 its reverse (331432242041), we get a palindrome (471674476174).

The spelling of 140242234133 in words is "one hundred forty billion, two hundred forty-two million, two hundred thirty-four thousand, one hundred thirty-three".