140314353121 has 4 divisors (see below), whose sum is σ = 141703604244. Its totient is φ = 138925102000.

The previous prime is 140314353071. The next prime is 140314353133. The reversal of 140314353121 is 121353413041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120937713121 + 19376640000 = 347761^2 + 139200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140314353121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140314353121.

It is not an unprimeable number, because it can be changed into a prime (140314353181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694625410 + ... + 694625611.

It is an arithmetic number, because the mean of its divisors is an integer number (35425901061).

Almost surely, 2^140314353121 is an apocalyptic number.

It is an amenable number.

140314353121 is a deficient number, since it is larger than the sum of its proper divisors (1389251123).

140314353121 is a wasteful number, since it uses less digits than its factorization.

140314353121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389251122.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 140314353121 its reverse (121353413041), we get a palindrome (261667766162).

The spelling of 140314353121 in words is "one hundred forty billion, three hundred fourteen million, three hundred fifty-three thousand, one hundred twenty-one".