140402299 has 2 divisors, whose sum is σ = 140402300. Its totient is φ = 140402298.

The previous prime is 140402279. The next prime is 140402321. The reversal of 140402299 is 992204041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140402299 - 2⁹ = 140401787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140402299.

It is not a weakly prime, because it can be changed into another prime (140402209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70201149 + 70201150.

It is an arithmetic number, because the mean of its divisors is an integer number (70201150).

Almost surely, 2^140402299 is an apocalyptic number.

140402299 is a deficient number, since it is larger than the sum of its proper divisors (1).

140402299 is an equidigital number, since it uses as much as digits as its factorization.

140402299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 140402299 is about 11849.1476064736. The cubic root of 140402299 is about 519.7463000604.

The spelling of 140402299 in words is "one hundred forty million, four hundred two thousand, two hundred ninety-nine".