132971487 has 32 divisors (see below), whose sum is σ = 206793216. Its totient is φ = 75187200.

The previous prime is 132971479. The next prime is 132971497. The reversal of 132971487 is 784179231.

It is not a de Polignac number, because 132971487 - 2³ = 132971479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132971417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28983 + ... + 33255.

It is an arithmetic number, because the mean of its divisors is an integer number (6462288).

Almost surely, 2^132971487 is an apocalyptic number.

132971487 is a deficient number, since it is larger than the sum of its proper divisors (73821729).

132971487 is a wasteful number, since it uses less digits than its factorization.

132971487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351.

The product of its digits is 84672, while the sum is 42.

The square root of 132971487 is about 11531.3263330807. The cubic root of 132971487 is about 510.4103924712.

The spelling of 132971487 in words is "one hundred thirty-two million, nine hundred seventy-one thousand, four hundred eighty-seven".