140043342140434 has 8 divisors (see below), whose sum is σ = 210122770992588. Its totient is φ = 70002418476240.

The previous prime is 140043342140333. The next prime is 140043342140447. The reversal of 140043342140434 is 434041243340041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139725756919225 + 317585221209 = 11820565^2 + 563547^2 .

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

It is a super-2 number, since 2×140043342140434² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140043342140393 and 140043342140402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9626287897 + ... + 9626302444.

Almost surely, 2^{140043342140434} is an apocalyptic number.

140043342140434 is a deficient number, since it is larger than the sum of its proper divisors (70079428852154).

140043342140434 is a wasteful number, since it uses less digits than its factorization.

140043342140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19252593980.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 140043342140434 its reverse (434041243340041), we get a palindrome (574084585480475).

The spelling of 140043342140434 in words is "one hundred forty trillion, forty-three billion, three hundred forty-two million, one hundred forty thousand, four hundred thirty-four".