140757829 has 2 divisors, whose sum is σ = 140757830. Its totient is φ = 140757828.

The previous prime is 140757811. The next prime is 140757839. The reversal of 140757829 is 928757041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 10227204 = 11425^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 140757829 - 2¹⁵ = 140725061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140757839) 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, 70378914 + 70378915.

It is an arithmetic number, because the mean of its divisors is an integer number (70378915).

Almost surely, 2^140757829 is an apocalyptic number.

It is an amenable number.

140757829 is a deficient number, since it is larger than the sum of its proper divisors (1).

140757829 is an equidigital number, since it uses as much as digits as its factorization.

140757829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 140757829 is about 11864.1404661273. The cubic root of 140757829 is about 520.1846348783.

It can be divided in two parts, 14075 and 7829, that added together give a square (21904 = 148²).

The spelling of 140757829 in words is "one hundred forty million, seven hundred fifty-seven thousand, eight hundred twenty-nine".