140032043434 has 4 divisors (see below), whose sum is σ = 210048065154. Its totient is φ = 70016021716.

The previous prime is 140032043429. The next prime is 140032043477. The reversal of 140032043434 is 434340230041.

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., 136015652809 + 4016390625 = 368803^2 + 63375^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35008010857 + ... + 35008010860.

Almost surely, 2^140032043434 is an apocalyptic number.

140032043434 is a deficient number, since it is larger than the sum of its proper divisors (70016021720).

140032043434 is an equidigital number, since it uses as much as digits as its factorization.

140032043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70016021719.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140032043434 its reverse (434340230041), we get a palindrome (574372273475).

The spelling of 140032043434 in words is "one hundred forty billion, thirty-two million, forty-three thousand, four hundred thirty-four".