132131647 has 4 divisors (see below), whose sum is σ = 135204520. Its totient is φ = 129058776.

The previous prime is 132131611. The next prime is 132131663. The reversal of 132131647 is 746131231.

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-132131647 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 (132134647) 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, 1536372 + ... + 1536457.

It is an arithmetic number, because the mean of its divisors is an integer number (33801130).

Almost surely, 2^132131647 is an apocalyptic number.

132131647 is a deficient number, since it is larger than the sum of its proper divisors (3072873).

132131647 is an equidigital number, since it uses as much as digits as its factorization.

132131647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072872.

The product of its digits is 3024, while the sum is 28.

The square root of 132131647 is about 11494.8530656116. The cubic root of 132131647 is about 509.3335482948. Note that the first 3 decimals are identical.

Adding to 132131647 its reverse (746131231), we get a palindrome (878262878).

The spelling of 132131647 in words is "one hundred thirty-two million, one hundred thirty-one thousand, six hundred forty-seven".