140045329 has 2 divisors, whose sum is σ = 140045330. Its totient is φ = 140045328.

The previous prime is 140045309. The next prime is 140045351. The reversal of 140045329 is 923540041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139712400 + 332929 = 11820^2 + 577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140045329 is a prime.

It is a super-2 number, since 2×140045329² = 39225388349436482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140045297 and 140045306.

It is not a weakly prime, because it can be changed into another prime (140045309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70022664 + 70022665.

It is an arithmetic number, because the mean of its divisors is an integer number (70022665).

Almost surely, 2^140045329 is an apocalyptic number.

It is an amenable number.

140045329 is a deficient number, since it is larger than the sum of its proper divisors (1).

140045329 is an equidigital number, since it uses as much as digits as its factorization.

140045329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 140045329 is about 11834.0749110355. The cubic root of 140045329 is about 519.3054447487.

The spelling of 140045329 in words is "one hundred forty million, forty-five thousand, three hundred twenty-nine".