140240234230434 has 72 divisors (see below), whose sum is σ = 330437291766660. Its totient is φ = 42965644340736.

The previous prime is 140240234230387. The next prime is 140240234230441. The reversal of 140240234230434 is 434032432042041.

140240234230434 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 4 + 0 + 2 + 342 + 304 + 3 + 4 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 757166243409 + 139483067987025 = 870153^2 + 11810295^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98221099 + ... + 99638670.

Almost surely, 2^{140240234230434} is an apocalyptic number.

140240234230434 is an abundant number, since it is smaller than the sum of its proper divisors (190197057536226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140240234230434 is a wasteful number, since it uses less digits than its factorization.

140240234230434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197860036 (or 197860020 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 140240234230434 its reverse (434032432042041), we get a palindrome (574272666272475).

The spelling of 140240234230434 in words is "one hundred forty trillion, two hundred forty billion, two hundred thirty-four million, two hundred thirty thousand, four hundred thirty-four".