140428504805 has 8 divisors (see below), whose sum is σ = 168520403232. Its totient is φ = 112338672208.

The previous prime is 140428504793. The next prime is 140428504813. The reversal of 140428504805 is 508405824041.

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

It is a cyclic number.

It is not a de Polignac number, because 140428504805 - 2¹⁰ = 140428503781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362747 + ... + 642216.

It is an arithmetic number, because the mean of its divisors is an integer number (21065050404).

Almost surely, 2^140428504805 is an apocalyptic number.

It is an amenable number.

140428504805 is a deficient number, since it is larger than the sum of its proper divisors (28091898427).

140428504805 is a wasteful number, since it uses less digits than its factorization.

140428504805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032915.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 140428504805 in words is "one hundred forty billion, four hundred twenty-eight million, five hundred four thousand, eight hundred five".