140454401 has 8 divisors (see below), whose sum is σ = 143529408. Its totient is φ = 137410000.

The previous prime is 140454389. The next prime is 140454407. The reversal of 140454401 is 104454041.

It is a happy number.

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 140454401 - 2¹⁴ = 140438017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140454407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751 + ... + 16851.

It is an arithmetic number, because the mean of its divisors is an integer number (17941176).

Almost surely, 2^140454401 is an apocalyptic number.

It is an amenable number.

140454401 is a deficient number, since it is larger than the sum of its proper divisors (3075007).

140454401 is a wasteful number, since it uses less digits than its factorization.

140454401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 140454401 is about 11851.3459573164. The cubic root of 140454401 is about 519.8105831311.

The spelling of 140454401 in words is "one hundred forty million, four hundred fifty-four thousand, four hundred one".