140253233 has 2 divisors, whose sum is σ = 140253234. Its totient is φ = 140253232.

The previous prime is 140253209. The next prime is 140253259. The reversal of 140253233 is 332352041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139901584 + 351649 = 11828^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 140253233 - 2¹⁴ = 140236849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140253199 and 140253208.

It is not a weakly prime, because it can be changed into another prime (140253263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70126616 + 70126617.

It is an arithmetic number, because the mean of its divisors is an integer number (70126617).

Almost surely, 2^140253233 is an apocalyptic number.

It is an amenable number.

140253233 is a deficient number, since it is larger than the sum of its proper divisors (1).

140253233 is an equidigital number, since it uses as much as digits as its factorization.

140253233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 140253233 is about 11842.8557789074. The cubic root of 140253233 is about 519.5622956251.

The spelling of 140253233 in words is "one hundred forty million, two hundred fifty-three thousand, two hundred thirty-three".