1335165109 has 4 divisors (see below), whose sum is σ = 1353455116. Its totient is φ = 1316875104.

The previous prime is 1335165061. The next prime is 1335165113. The reversal of 1335165109 is 9015615331.

It is a happy number.

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 360164484 + 975000625 = 18978^2 + 31225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335165109 - 2⁷ = 1335164981 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 (1335165119) 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, 9144894 + ... + 9145039.

It is an arithmetic number, because the mean of its divisors is an integer number (338363779).

Almost surely, 2^1335165109 is an apocalyptic number.

It is an amenable number.

1335165109 is a deficient number, since it is larger than the sum of its proper divisors (18290007).

1335165109 is an equidigital number, since it uses as much as digits as its factorization.

1335165109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290006.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 1335165109 is about 36539.9111794213. The cubic root of 1335165109 is about 1101.1462181546.

The spelling of 1335165109 in words is "one billion, three hundred thirty-five million, one hundred sixty-five thousand, one hundred nine".