141395909 has 4 divisors (see below), whose sum is σ = 146271660. Its totient is φ = 136520160.

The previous prime is 141395897. The next prime is 141395923. The reversal of 141395909 is 909593141.

141395909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112826884 + 28569025 = 10622^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 141395909 - 2⁴ = 141395893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141395939) 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, 2437832 + ... + 2437889.

It is an arithmetic number, because the mean of its divisors is an integer number (36567915).

Almost surely, 2^141395909 is an apocalyptic number.

It is an amenable number.

141395909 is a deficient number, since it is larger than the sum of its proper divisors (4875751).

141395909 is an equidigital number, since it uses as much as digits as its factorization.

141395909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875750.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 141395909 is about 11891.0011773610. The cubic root of 141395909 is about 520.9694796096.

The spelling of 141395909 in words is "one hundred forty-one million, three hundred ninety-five thousand, nine hundred nine".