133069709 has 4 divisors (see below), whose sum is σ = 133177500. Its totient is φ = 132961920.

The previous prime is 133069687. The next prime is 133069751. The reversal of 133069709 is 907960331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 907960331 = 53 ⋅17131327.

It can be written as a sum of positive squares in 2 ways, for example, as 25532809 + 107536900 = 5053^2 + 10370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133069709 is a prime.

It is a super-3 number, since 3×133069709³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133069799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52022 + ... + 54519.

It is an arithmetic number, because the mean of its divisors is an integer number (33294375).

Almost surely, 2^133069709 is an apocalyptic number.

It is an amenable number.

133069709 is a deficient number, since it is larger than the sum of its proper divisors (107791).

133069709 is a wasteful number, since it uses less digits than its factorization.

133069709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107790.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 133069709 is about 11535.5844672041. The cubic root of 133069709 is about 510.5360364262.

The spelling of 133069709 in words is "one hundred thirty-three million, sixty-nine thousand, seven hundred nine".