140434559 has 8 divisors (see below), whose sum is σ = 145424160. Its totient is φ = 135454816.

The previous prime is 140434549. The next prime is 140434571. The reversal of 140434559 is 955434041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140434559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38054 + ... + 41580.

It is an arithmetic number, because the mean of its divisors is an integer number (18178020).

Almost surely, 2^140434559 is an apocalyptic number.

140434559 is a deficient number, since it is larger than the sum of its proper divisors (4989601).

140434559 is a wasteful number, since it uses less digits than its factorization.

140434559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 140434559 is about 11850.5088076420. The cubic root of 140434559 is about 519.7861040896.

The spelling of 140434559 in words is "one hundred forty million, four hundred thirty-four thousand, five hundred fifty-nine".