140671429 has 8 divisors (see below), whose sum is σ = 144792320. Its totient is φ = 136609200.

The previous prime is 140671417. The next prime is 140671441. The reversal of 140671429 is 924176041.

It is an interprime number because it is at equal distance from previous prime (140671417) and next prime (140671441).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140671429 - 2⁷ = 140671301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140671394 and 140671403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140671409) 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 in 7 ways as a sum of consecutive naturals, for example, 9777 + ... + 19414.

It is an arithmetic number, because the mean of its divisors is an integer number (18099040).

Almost surely, 2^140671429 is an apocalyptic number.

It is an amenable number.

140671429 is a deficient number, since it is larger than the sum of its proper divisors (4120891).

140671429 is an equidigital number, since it uses as much as digits as its factorization.

140671429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29331.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140671429 is about 11860.4986826018. The cubic root of 140671429 is about 520.0781798135.

The spelling of 140671429 in words is "one hundred forty million, six hundred seventy-one thousand, four hundred twenty-nine".