140033801 has 2 divisors, whose sum is σ = 140033802. Its totient is φ = 140033800.

The previous prime is 140033731. The next prime is 140033827. The reversal of 140033801 is 108330041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99520576 + 40513225 = 9976^2 + 6365^2 .

It is an emirp because it is prime and its reverse (108330041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140033801 - 2¹⁰ = 140032777 is a prime.

It is not a weakly prime, because it can be changed into another prime (140032801) 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, 70016900 + 70016901.

It is an arithmetic number, because the mean of its divisors is an integer number (70016901).

Almost surely, 2^140033801 is an apocalyptic number.

It is an amenable number.

140033801 is a deficient number, since it is larger than the sum of its proper divisors (1).

140033801 is an equidigital number, since it uses as much as digits as its factorization.

140033801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 140033801 is about 11833.5878329440. The cubic root of 140033801 is about 519.2911952732.

Adding to 140033801 its reverse (108330041), we get a palindrome (248363842).

It can be divided in two parts, 14003 and 3801, that multiplied together give a triangular number (53225403 = T₁₀₃₁₇).

The spelling of 140033801 in words is "one hundred forty million, thirty-three thousand, eight hundred one".