140221033 has 2 divisors, whose sum is σ = 140221034. Its totient is φ = 140221032.

The previous prime is 140221021. The next prime is 140221043. The reversal of 140221033 is 330122041.

It is a happy number.

140221033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 43454464 = 9837^2 + 6592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140221033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140220998 and 140221016.

It is not a weakly prime, because it can be changed into another prime (140221043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70110516 + 70110517.

It is an arithmetic number, because the mean of its divisors is an integer number (70110517).

Almost surely, 2^140221033 is an apocalyptic number.

It is an amenable number.

140221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

140221033 is an equidigital number, since it uses as much as digits as its factorization.

140221033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140221033 is about 11841.4962314735. The cubic root of 140221033 is about 519.5225313928.

Adding to 140221033 its reverse (330122041), we get a palindrome (470343074).

The spelling of 140221033 in words is "one hundred forty million, two hundred twenty-one thousand, thirty-three".