140544434 has 4 divisors (see below), whose sum is σ = 210816654. Its totient is φ = 70272216.

The previous prime is 140544419. The next prime is 140544473. The reversal of 140544434 is 434445041.

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., 118875409 + 21669025 = 10903^2 + 4655^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140544397 and 140544406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35136107 + ... + 35136110.

Almost surely, 2^140544434 is an apocalyptic number.

140544434 is a deficient number, since it is larger than the sum of its proper divisors (70272220).

140544434 is an equidigital number, since it uses as much as digits as its factorization.

140544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70272219.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 140544434 is about 11855.1437781243. The cubic root of 140544434 is about 519.9216277350.

Adding to 140544434 its reverse (434445041), we get a palindrome (574989475).

The spelling of 140544434 in words is "one hundred forty million, five hundred forty-four thousand, four hundred thirty-four".