132604247 has 4 divisors (see below), whose sum is σ = 133270800. Its totient is φ = 131937696.

The previous prime is 132604243. The next prime is 132604259. The reversal of 132604247 is 742406231.

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 132604247 - 2² = 132604243 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 (132604243) 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, 332978 + ... + 333375.

It is an arithmetic number, because the mean of its divisors is an integer number (33317700).

Almost surely, 2^132604247 is an apocalyptic number.

132604247 is a deficient number, since it is larger than the sum of its proper divisors (666553).

132604247 is an equidigital number, since it uses as much as digits as its factorization.

132604247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666552.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 132604247 is about 11515.3917432278. The cubic root of 132604247 is about 509.9400762607.

The spelling of 132604247 in words is "one hundred thirty-two million, six hundred four thousand, two hundred forty-seven".