132549993 has 8 divisors (see below), whose sum is σ = 196370400. Its totient is φ = 88366644.

The previous prime is 132549973. The next prime is 132549997. The reversal of 132549993 is 399945231.

132549993 is a `hidden beast` number, since 13 + 2 + 549 + 9 + 93 = 666.

It is not a de Polignac number, because 132549993 - 2⁵ = 132549961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132549997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454603 + ... + 2454656.

It is an arithmetic number, because the mean of its divisors is an integer number (24546300).

Almost surely, 2^132549993 is an apocalyptic number.

It is an amenable number.

132549993 is a deficient number, since it is larger than the sum of its proper divisors (63820407).

132549993 is an equidigital number, since it uses as much as digits as its factorization.

132549993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909268 (or 4909262 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 132549993 is about 11513.0357855780. The cubic root of 132549993 is about 509.8705207637.

The spelling of 132549993 in words is "one hundred thirty-two million, five hundred forty-nine thousand, nine hundred ninety-three".