132509071 has 4 divisors (see below), whose sum is σ = 133821144. Its totient is φ = 131197000.

The previous prime is 132509023. The next prime is 132509087. The reversal of 132509071 is 170905231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132509071 - 2⁹ = 132508559 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 (132509471) 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, 655885 + ... + 656086.

It is an arithmetic number, because the mean of its divisors is an integer number (33455286).

Almost surely, 2^132509071 is an apocalyptic number.

132509071 is a deficient number, since it is larger than the sum of its proper divisors (1312073).

132509071 is a wasteful number, since it uses less digits than its factorization.

132509071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312072.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 132509071 is about 11511.2584455393. The cubic root of 132509071 is about 509.8180447921.

The spelling of 132509071 in words is "one hundred thirty-two million, five hundred nine thousand, seventy-one".