132444891 has 12 divisors (see below), whose sum is σ = 194004720. Its totient is φ = 87052560.

The previous prime is 132444881. The next prime is 132444901. The reversal of 132444891 is 198444231.

It is a happy number.

132444891 is a `hidden beast` number, since 132 + 44 + 489 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (132444881) and next prime (132444901).

It is not a de Polignac number, because 132444891 - 2¹³ = 132436699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132444881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102996 + ... + 104273.

It is an arithmetic number, because the mean of its divisors is an integer number (16167060).

Almost surely, 2^132444891 is an apocalyptic number.

132444891 is a deficient number, since it is larger than the sum of its proper divisors (61559829).

132444891 is a wasteful number, since it uses less digits than its factorization.

132444891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207346 (or 207343 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 132444891 is about 11508.4704022733. The cubic root of 132444891 is about 509.7357223621.

The spelling of 132444891 in words is "one hundred thirty-two million, four hundred forty-four thousand, eight hundred ninety-one".