140281354754 has 8 divisors (see below), whose sum is σ = 212352509820. Its totient is φ = 69497184816.

The previous prime is 140281354727. The next prime is 140281354771. The reversal of 140281354754 is 457453182041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132114075625 + 8167279129 = 363475^2 + 90373^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321746009 + ... + 321746444.

Almost surely, 2^140281354754 is an apocalyptic number.

140281354754 is a deficient number, since it is larger than the sum of its proper divisors (72071155066).

140281354754 is a wasteful number, since it uses less digits than its factorization.

140281354754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643492564.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 140281354754 in words is "one hundred forty billion, two hundred eighty-one million, three hundred fifty-four thousand, seven hundred fifty-four".