132641647 has 4 divisors (see below), whose sum is σ = 132865920. Its totient is φ = 132417376.

The previous prime is 132641623. The next prime is 132641671. The reversal of 132641647 is 746146231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746146231 = 79 ⋅9444889.

It is an interprime number because it is at equal distance from previous prime (132641623) and next prime (132641671).

It is a cyclic number.

It is not a de Polignac number, because 132641647 - 2²³ = 124253039 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 (132641947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111247 + ... + 112432.

It is an arithmetic number, because the mean of its divisors is an integer number (33216480).

Almost surely, 2^132641647 is an apocalyptic number.

132641647 is a deficient number, since it is larger than the sum of its proper divisors (224273).

132641647 is an equidigital number, since it uses as much as digits as its factorization.

132641647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224272.

The product of its digits is 24192, while the sum is 34.

The square root of 132641647 is about 11517.0155422314. The cubic root of 132641647 is about 509.9880133028.

Adding to 132641647 its reverse (746146231), we get a palindrome (878787878).

The spelling of 132641647 in words is "one hundred thirty-two million, six hundred forty-one thousand, six hundred forty-seven".