943135109 has 4 divisors (see below), whose sum is σ = 1077868704. Its totient is φ = 808401516.

The previous prime is 943135093. The next prime is 943135111. The reversal of 943135109 is 901531349.

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 943135109 - 2⁴ = 943135093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943135169) 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, 67366787 + ... + 67366800.

It is an arithmetic number, because the mean of its divisors is an integer number (269467176).

Almost surely, 2^943135109 is an apocalyptic number.

It is an amenable number.

943135109 is a deficient number, since it is larger than the sum of its proper divisors (134733595).

943135109 is a wasteful number, since it uses less digits than its factorization.

943135109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134733594.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 943135109 is about 30710.5048639712. The cubic root of 943135109 is about 980.6739460420.

The spelling of 943135109 in words is "nine hundred forty-three million, one hundred thirty-five thousand, one hundred nine".