132961709 has 4 divisors (see below), whose sum is σ = 140783004. Its totient is φ = 125140416.

The previous prime is 132961693. The next prime is 132961711. The reversal of 132961709 is 907169231.

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 35880100 + 97081609 = 5990^2 + 9853^2 .

It is a cyclic number.

It is not a de Polignac number, because 132961709 - 2⁴ = 132961693 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 (132961769) 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, 3910622 + ... + 3910655.

It is an arithmetic number, because the mean of its divisors is an integer number (35195751).

Almost surely, 2^132961709 is an apocalyptic number.

It is an amenable number.

132961709 is a deficient number, since it is larger than the sum of its proper divisors (7821295).

132961709 is an equidigital number, since it uses as much as digits as its factorization.

132961709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821294.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 132961709 is about 11530.9023497730. The cubic root of 132961709 is about 510.3978812297.

The spelling of 132961709 in words is "one hundred thirty-two million, nine hundred sixty-one thousand, seven hundred nine".