841140109 has 4 divisors (see below), whose sum is σ = 841726080. Its totient is φ = 840554140.

The previous prime is 841140103. The next prime is 841140119. The reversal of 841140109 is 901041148.

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.

It is a cyclic number.

It is not a de Polignac number, because 841140109 - 2⁵ = 841140077 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 (841140103) 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, 290827 + ... + 293704.

It is an arithmetic number, because the mean of its divisors is an integer number (210431520).

Almost surely, 2^841140109 is an apocalyptic number.

It is an amenable number.

841140109 is a deficient number, since it is larger than the sum of its proper divisors (585971).

841140109 is a wasteful number, since it uses less digits than its factorization.

841140109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585970.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 841140109 is about 29002.4155718106. The cubic root of 841140109 is about 943.9654828690.

The spelling of 841140109 in words is "eight hundred forty-one million, one hundred forty thousand, one hundred nine".