132649471 has 4 divisors (see below), whose sum is σ = 132678000. Its totient is φ = 132620944.

The previous prime is 132649459. The next prime is 132649501. The reversal of 132649471 is 174946231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132649471 is a prime.

It is a super-3 number, since 3×132649471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132649471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132649171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5491 + ... + 17188.

It is an arithmetic number, because the mean of its divisors is an integer number (33169500).

Almost surely, 2^132649471 is an apocalyptic number.

132649471 is a deficient number, since it is larger than the sum of its proper divisors (28529).

132649471 is an equidigital number, since it uses as much as digits as its factorization.

132649471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28528.

The product of its digits is 36288, while the sum is 37.

The square root of 132649471 is about 11517.3552085537. The cubic root of 132649471 is about 509.9980404897.

The spelling of 132649471 in words is "one hundred thirty-two million, six hundred forty-nine thousand, four hundred seventy-one".