140102233 has 2 divisors, whose sum is σ = 140102234. Its totient is φ = 140102232.

The previous prime is 140102227. The next prime is 140102279. The reversal of 140102233 is 332201041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108326464 + 31775769 = 10408^2 + 5637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140102233 is a prime.

It is not a weakly prime, because it can be changed into another prime (140102533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70051116 + 70051117.

It is an arithmetic number, because the mean of its divisors is an integer number (70051117).

Almost surely, 2^140102233 is an apocalyptic number.

It is an amenable number.

140102233 is a deficient number, since it is larger than the sum of its proper divisors (1).

140102233 is an equidigital number, since it uses as much as digits as its factorization.

140102233 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140102233 is about 11836.4789105544. The cubic root of 140102233 is about 519.3757709204.

Adding to 140102233 its reverse (332201041), we get a palindrome (472303274).

The spelling of 140102233 in words is "one hundred forty million, one hundred two thousand, two hundred thirty-three".