140193829 has 2 divisors, whose sum is σ = 140193830. Its totient is φ = 140193828.

The previous prime is 140193821. The next prime is 140193839. The reversal of 140193829 is 928391041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 7828804 = 11505^2 + 2798^2 .

It is a cyclic number.

It is not a de Polignac number, because 140193829 - 2³ = 140193821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140193821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70096914 + 70096915.

It is an arithmetic number, because the mean of its divisors is an integer number (70096915).

Almost surely, 2^140193829 is an apocalyptic number.

It is an amenable number.

140193829 is a deficient number, since it is larger than the sum of its proper divisors (1).

140193829 is an equidigital number, since it uses as much as digits as its factorization.

140193829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 140193829 is about 11840.3475033463. The cubic root of 140193829 is about 519.4889320468.

The spelling of 140193829 in words is "one hundred forty million, one hundred ninety-three thousand, eight hundred twenty-nine".