132821871 has 16 divisors (see below), whose sum is σ = 217964544. Its totient is φ = 70059744.

The previous prime is 132821861. The next prime is 132821903. The reversal of 132821871 is 178128231.

It is not a de Polignac number, because 132821871 - 2⁵ = 132821839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132821851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242991 + ... + 243536.

It is an arithmetic number, because the mean of its divisors is an integer number (13622784).

Almost surely, 2^132821871 is an apocalyptic number.

132821871 is a deficient number, since it is larger than the sum of its proper divisors (85142673).

132821871 is a wasteful number, since it uses less digits than its factorization.

132821871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486550.

The product of its digits is 5376, while the sum is 33.

The square root of 132821871 is about 11524.8371355087. The cubic root of 132821871 is about 510.2188872033.

The spelling of 132821871 in words is "one hundred thirty-two million, eight hundred twenty-one thousand, eight hundred seventy-one".