140717233 has 2 divisors, whose sum is σ = 140717234. Its totient is φ = 140717232.

The previous prime is 140717131. The next prime is 140717257. The reversal of 140717233 is 332717041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80856064 + 59861169 = 8992^2 + 7737^2 .

It is an emirp because it is prime and its reverse (332717041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140717233 is a prime.

It is not a weakly prime, because it can be changed into another prime (140717263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70358616 + 70358617.

It is an arithmetic number, because the mean of its divisors is an integer number (70358617).

Almost surely, 2^140717233 is an apocalyptic number.

It is an amenable number.

140717233 is a deficient number, since it is larger than the sum of its proper divisors (1).

140717233 is an equidigital number, since it uses as much as digits as its factorization.

140717233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 140717233 is about 11862.4294729200. The cubic root of 140717233 is about 520.1346212104.

The spelling of 140717233 in words is "one hundred forty million, seven hundred seventeen thousand, two hundred thirty-three".