140134829 has 2 divisors, whose sum is σ = 140134830. Its totient is φ = 140134828.

The previous prime is 140134817. The next prime is 140134847. The reversal of 140134829 is 928431041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88266025 + 51868804 = 9395^2 + 7202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140134829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 140134795 and 140134804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140134879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70067414 + 70067415.

It is an arithmetic number, because the mean of its divisors is an integer number (70067415).

Almost surely, 2^140134829 is an apocalyptic number.

It is an amenable number.

140134829 is a deficient number, since it is larger than the sum of its proper divisors (1).

140134829 is an equidigital number, since it uses as much as digits as its factorization.

140134829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 140134829 is about 11837.8557602296. The cubic root of 140134829 is about 519.4160468900.

The spelling of 140134829 in words is "one hundred forty million, one hundred thirty-four thousand, eight hundred twenty-nine".