132185471 has 4 divisors (see below), whose sum is σ = 144202344. Its totient is φ = 120168600.

The previous prime is 132185461. The next prime is 132185533. The reversal of 132185471 is 174581231.

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-132185471 is a prime.

It is a super-3 number, since 3×132185471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132185411) 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, 6008420 + ... + 6008441.

It is an arithmetic number, because the mean of its divisors is an integer number (36050586).

Almost surely, 2^132185471 is an apocalyptic number.

132185471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132185471 is a deficient number, since it is larger than the sum of its proper divisors (12016873).

132185471 is a wasteful number, since it uses less digits than its factorization.

132185471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016872.

The product of its digits is 6720, while the sum is 32.

The square root of 132185471 is about 11497.1940489843. The cubic root of 132185471 is about 509.4026981363.

The spelling of 132185471 in words is "one hundred thirty-two million, one hundred eighty-five thousand, four hundred seventy-one".