132198081 has 4 divisors (see below), whose sum is σ = 176264112. Its totient is φ = 88132052.

The previous prime is 132198061. The next prime is 132198097. The reversal of 132198081 is 180891231.

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 132198081 - 2¹⁰ = 132197057 is a prime.

It is a super-2 number, since 2×132198081² = 34952665240165122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132198061) 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, 22033011 + ... + 22033016.

It is an arithmetic number, because the mean of its divisors is an integer number (44066028).

Almost surely, 2^132198081 is an apocalyptic number.

It is an amenable number.

132198081 is a deficient number, since it is larger than the sum of its proper divisors (44066031).

132198081 is an equidigital number, since it uses as much as digits as its factorization.

132198081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44066030.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 132198081 is about 11497.7424305818. The cubic root of 132198081 is about 509.4188959925.

The spelling of 132198081 in words is "one hundred thirty-two million, one hundred ninety-eight thousand, eighty-one".