140434003442 has 4 divisors (see below), whose sum is σ = 210651005166. Its totient is φ = 70217001720.

The previous prime is 140434003429. The next prime is 140434003511. The reversal of 140434003442 is 244300434041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244300434041 = 58129 ⋅4202729.

It can be written as a sum of positive squares in only one way, i.e., 126564466081 + 13869537361 = 355759^2 + 117769^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35108500859 + ... + 35108500862.

Almost surely, 2^140434003442 is an apocalyptic number.

140434003442 is a deficient number, since it is larger than the sum of its proper divisors (70217001724).

140434003442 is an equidigital number, since it uses as much as digits as its factorization.

140434003442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70217001723.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 140434003442 its reverse (244300434041), we get a palindrome (384734437483).

The spelling of 140434003442 in words is "one hundred forty billion, four hundred thirty-four million, three thousand, four hundred forty-two".