132747487 has 4 divisors (see below), whose sum is σ = 137029696. Its totient is φ = 128465280.

The previous prime is 132747481. The next prime is 132747497. The reversal of 132747487 is 784747231.

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 132747487 - 2³ = 132747479 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 (132747481) 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, 2141058 + ... + 2141119.

It is an arithmetic number, because the mean of its divisors is an integer number (34257424).

Almost surely, 2^132747487 is an apocalyptic number.

132747487 is a deficient number, since it is larger than the sum of its proper divisors (4282209).

132747487 is an equidigital number, since it uses as much as digits as its factorization.

132747487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282208.

The product of its digits is 263424, while the sum is 43.

The square root of 132747487 is about 11521.6095663757. The cubic root of 132747487 is about 510.1236237542.

The spelling of 132747487 in words is "one hundred thirty-two million, seven hundred forty-seven thousand, four hundred eighty-seven".