140033009 has 2 divisors, whose sum is σ = 140033010. Its totient is φ = 140033008.

The previous prime is 140032979. The next prime is 140033027. The reversal of 140033009 is 900330041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123832384 + 16200625 = 11128^2 + 4025^2 .

It is a cyclic number.

It is not a de Polignac number, because 140033009 - 2¹⁶ = 139967473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140033099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70016504 + 70016505.

It is an arithmetic number, because the mean of its divisors is an integer number (70016505).

Almost surely, 2^140033009 is an apocalyptic number.

It is an amenable number.

140033009 is a deficient number, since it is larger than the sum of its proper divisors (1).

140033009 is an equidigital number, since it uses as much as digits as its factorization.

140033009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 140033009 is about 11833.5543688277. The cubic root of 140033009 is about 519.2902162729.

The spelling of 140033009 in words is "one hundred forty million, thirty-three thousand, nine".