140033 has 4 divisors (see below), whose sum is σ = 140868. Its totient is φ = 139200.

The previous prime is 140009. The next prime is 140053. The reversal of 140033 is 330041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 66049 = 272^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 140033 - 2⁶ = 139969 is a prime.

It is a Duffinian number.

140033 is a modest number, since divided by 33 gives 14 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 139996 and 140023.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140033.

It is not an unprimeable number, because it can be changed into a prime (140053) 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, 68 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (35217).

2¹⁴⁰⁰³³ is an apocalyptic number.

It is an amenable number.

140033 is a deficient number, since it is larger than the sum of its proper divisors (835).

140033 is an equidigital number, since it uses as much as digits as its factorization.

140033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 140033 is about 374.2098341840. The cubic root of 140033 is about 51.9290205148.

Adding to 140033 its reverse (330041), we get a palindrome (470074).

The spelling of 140033 in words is "one hundred forty thousand, thirty-three".