140321033 has 4 divisors (see below), whose sum is σ = 140353920. Its totient is φ = 140288148.

The previous prime is 140321021. The next prime is 140321081. The reversal of 140321033 is 330123041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330123041 = 1033 ⋅319577.

It is a cyclic number.

It is not a de Polignac number, because 140321033 - 2⁸ = 140320777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140321333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8885 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (35088480).

Almost surely, 2^140321033 is an apocalyptic number.

It is an amenable number.

140321033 is a deficient number, since it is larger than the sum of its proper divisors (32887).

140321033 is an equidigital number, since it uses as much as digits as its factorization.

140321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32886.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140321033 is about 11845.7179183028. The cubic root of 140321033 is about 519.6460029026.

Adding to 140321033 its reverse (330123041), we get a palindrome (470444074).

The spelling of 140321033 in words is "one hundred forty million, three hundred twenty-one thousand, thirty-three".