140300233 has 4 divisors (see below), whose sum is σ = 142222228. Its totient is φ = 138378240.

The previous prime is 140300221. The next prime is 140300239. The reversal of 140300233 is 332003041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95101504 + 45198729 = 9752^2 + 6723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140300233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140300239) 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, 960888 + ... + 961033.

It is an arithmetic number, because the mean of its divisors is an integer number (35555557).

Almost surely, 2^140300233 is an apocalyptic number.

It is an amenable number.

140300233 is a deficient number, since it is larger than the sum of its proper divisors (1921995).

140300233 is an equidigital number, since it uses as much as digits as its factorization.

140300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921994.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 140300233 is about 11844.8399313794. The cubic root of 140300233 is about 519.6203256616.

Adding to 140300233 its reverse (332003041), we get a palindrome (472303274).

The spelling of 140300233 in words is "one hundred forty million, three hundred thousand, two hundred thirty-three".