140240225434 has 4 divisors (see below), whose sum is σ = 210360338154. Its totient is φ = 70120112716.

The previous prime is 140240225371. The next prime is 140240225473. The reversal of 140240225434 is 434522042041.

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., 132971810409 + 7268415025 = 364653^2 + 85255^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 140240225396 and 140240225405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060056357 + ... + 35060056360.

Almost surely, 2^140240225434 is an apocalyptic number.

140240225434 is a deficient number, since it is larger than the sum of its proper divisors (70120112720).

140240225434 is an equidigital number, since it uses as much as digits as its factorization.

140240225434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70120112719.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 140240225434 its reverse (434522042041), we get a palindrome (574762267475).

The spelling of 140240225434 in words is "one hundred forty billion, two hundred forty million, two hundred twenty-five thousand, four hundred thirty-four".