140302429 has 2 divisors, whose sum is σ = 140302430. Its totient is φ = 140302428.

The previous prime is 140302417. The next prime is 140302469. The reversal of 140302429 is 924203041.

140302429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86676100 + 53626329 = 9310^2 + 7323^2 .

It is a cyclic number.

It is not a de Polignac number, because 140302429 - 2⁵ = 140302397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140302469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151214 + 70151215.

It is an arithmetic number, because the mean of its divisors is an integer number (70151215).

Almost surely, 2^140302429 is an apocalyptic number.

It is an amenable number.

140302429 is a deficient number, since it is larger than the sum of its proper divisors (1).

140302429 is an equidigital number, since it uses as much as digits as its factorization.

140302429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 140302429 is about 11844.9326296100. The cubic root of 140302429 is about 519.6230367055.

The spelling of 140302429 in words is "one hundred forty million, three hundred two thousand, four hundred twenty-nine".