141029809 has 4 divisors (see below), whose sum is σ = 144309616. Its totient is φ = 137750004.

The previous prime is 141029789. The next prime is 141029839. The reversal of 141029809 is 908920141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 908920141 = 23 ⋅39518267.

It is a cyclic number.

It is not a de Polignac number, because 141029809 - 2¹⁵ = 140997041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141029839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639839 + ... + 1639924.

It is an arithmetic number, because the mean of its divisors is an integer number (36077404).

Almost surely, 2^141029809 is an apocalyptic number.

It is an amenable number.

141029809 is a deficient number, since it is larger than the sum of its proper divisors (3279807).

141029809 is an equidigital number, since it uses as much as digits as its factorization.

141029809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279806.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 141029809 is about 11875.5972060356. The cubic root of 141029809 is about 520.5194624107.

The spelling of 141029809 in words is "one hundred forty-one million, twenty-nine thousand, eight hundred nine".