140303129 has 2 divisors, whose sum is σ = 140303130. Its totient is φ = 140303128.

The previous prime is 140303099. The next prime is 140303143. The reversal of 140303129 is 921303041.

140303129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128777104 + 11526025 = 11348^2 + 3395^2 .

It is an emirp because it is prime and its reverse (921303041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140303129 - 2¹⁶ = 140237593 is a prime.

It is not a weakly prime, because it can be changed into another prime (140306129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151564 + 70151565.

It is an arithmetic number, because the mean of its divisors is an integer number (70151565).

Almost surely, 2^140303129 is an apocalyptic number.

It is an amenable number.

140303129 is a deficient number, since it is larger than the sum of its proper divisors (1).

140303129 is an equidigital number, since it uses as much as digits as its factorization.

140303129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 140303129 is about 11844.9621780738. The cubic root of 140303129 is about 519.6239008757.

The spelling of 140303129 in words is "one hundred forty million, three hundred three thousand, one hundred twenty-nine".