140340432121202 has 8 divisors (see below), whose sum is σ = 210510721490796. Its totient is φ = 70170191624272.

The previous prime is 140340432121139. The next prime is 140340432121207. The reversal of 140340432121202 is 202121234043041.

It can be written as a sum of positive squares in 2 ways, for example, as 138548177881201 + 1792254240001 = 11770649^2 + 1338751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140340432121207) 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, 3909173 + ... + 17203560.

Almost surely, 2^{140340432121202} is an apocalyptic number.

140340432121202 is a deficient number, since it is larger than the sum of its proper divisors (70170289369594).

140340432121202 is a wasteful number, since it uses less digits than its factorization.

140340432121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436332.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140340432121202 its reverse (202121234043041), we get a palindrome (342461666164243).

The spelling of 140340432121202 in words is "one hundred forty trillion, three hundred forty billion, four hundred thirty-two million, one hundred twenty-one thousand, two hundred two".