132249209 has 8 divisors (see below), whose sum is σ = 137181792. Its totient is φ = 127401120.

The previous prime is 132249191. The next prime is 132249217. The reversal of 132249209 is 902942231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132249209 - 2⁸ = 132248953 is a prime.

It is a super-2 number, since 2×132249209² = 34979706562251362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132249259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17927 + ... + 24204.

It is an arithmetic number, because the mean of its divisors is an integer number (17147724).

Almost surely, 2^132249209 is an apocalyptic number.

It is an amenable number.

132249209 is a deficient number, since it is larger than the sum of its proper divisors (4932583).

132249209 is an equidigital number, since it uses as much as digits as its factorization.

132249209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42247.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 132249209 is about 11499.9656086442. The cubic root of 132249209 is about 509.4845606177.

The spelling of 132249209 in words is "one hundred thirty-two million, two hundred forty-nine thousand, two hundred nine".