132649289 has 6 divisors (see below), whose sum is σ = 133419150. Its totient is φ = 131883840.

The previous prime is 132649273. The next prime is 132649313. The reversal of 132649289 is 982946231.

It can be written as a sum of positive squares in 3 ways, for example, as 22231225 + 110418064 = 4715^2 + 10508^2 .

It is not a de Polignac number, because 132649289 - 2⁴ = 132649273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132649789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30737 + ... + 34785.

It is an arithmetic number, because the mean of its divisors is an integer number (22236525).

Almost surely, 2^132649289 is an apocalyptic number.

It is an amenable number.

132649289 is a deficient number, since it is larger than the sum of its proper divisors (769861).

132649289 is an frugal number, since it uses more digits than its factorization.

132649289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4230 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 132649289 is about 11517.3473074315. The cubic root of 132649289 is about 509.9978072442.

The spelling of 132649289 in words is "one hundred thirty-two million, six hundred forty-nine thousand, two hundred eighty-nine".