132162181 has 4 divisors (see below), whose sum is σ = 133835200. Its totient is φ = 130489164.

The previous prime is 132162161. The next prime is 132162197. The reversal of 132162181 is 181261231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132162181 - 2⁷ = 132162053 is a prime.

It is a super-2 number, since 2×132162181² = 34933684173353522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132162161) 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, 836391 + ... + 836548.

It is an arithmetic number, because the mean of its divisors is an integer number (33458800).

Almost surely, 2^132162181 is an apocalyptic number.

It is an amenable number.

132162181 is a deficient number, since it is larger than the sum of its proper divisors (1673019).

132162181 is an equidigital number, since it uses as much as digits as its factorization.

132162181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673018.

The product of its digits is 576, while the sum is 25.

The square root of 132162181 is about 11496.1811485380. The cubic root of 132162181 is about 509.3727788479.

The spelling of 132162181 in words is "one hundred thirty-two million, one hundred sixty-two thousand, one hundred eighty-one".