2140203432434 has 4 divisors (see below), whose sum is σ = 3210305148654. Its totient is φ = 1070101716216.

The previous prime is 2140203432383. The next prime is 2140203432439. The reversal of 2140203432434 is 4342343020412.

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

It can be written as a sum of positive squares in only one way, i.e., 1895173482409 + 245029950025 = 1376653^2 + 495005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2140203432434.

It is not an unprimeable number, because it can be changed into a prime (2140203432439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535050858107 + ... + 535050858110.

Almost surely, 2^{2140203432434} is an apocalyptic number.

2140203432434 is a deficient number, since it is larger than the sum of its proper divisors (1070101716220).

2140203432434 is a wasteful number, since it uses less digits than its factorization.

2140203432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070101716219.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2140203432434 its reverse (4342343020412), we get a palindrome (6482546452846).

The spelling of 2140203432434 in words is "two trillion, one hundred forty billion, two hundred three million, four hundred thirty-two thousand, four hundred thirty-four".