140801 has 4 divisors (see below), whose sum is σ = 142272. Its totient is φ = 139332.

The previous prime is 140797. The next prime is 140813. The reversal of 140801 is 108041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140801 - 2² = 140797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

It is a Proth number, since it is equal to 275 ⋅ 2⁹ + 1 and 275 < 2⁹.

2¹⁴⁰⁸⁰¹ is an apocalyptic number.

It is an amenable number.

140801 is a deficient number, since it is larger than the sum of its proper divisors (1471).

140801 is a wasteful number, since it uses less digits than its factorization.

140801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 140801 is about 375.2345932880. The cubic root of 140801 is about 52.0237810358.

Adding to 140801 its reverse (108041), we get a palindrome (248842).

The spelling of 140801 in words is "one hundred forty thousand, eight hundred one".