132681393 has 36 divisors (see below), whose sum is σ = 210227472. Its totient is φ = 80589600.

The previous prime is 132681343. The next prime is 132681401. The reversal of 132681393 is 393186231.

132681393 is a `hidden beast` number, since 1 + 3 + 268 + 1 + 393 = 666.

It is not a de Polignac number, because 132681393 - 2⁸ = 132681137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132681343) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125718 + ... + 126768.

It is an arithmetic number, because the mean of its divisors is an integer number (5839652).

Almost surely, 2^132681393 is an apocalyptic number.

132681393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132681393 is a deficient number, since it is larger than the sum of its proper divisors (77546079).

132681393 is a wasteful number, since it uses less digits than its factorization.

132681393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1150 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 132681393 is about 11518.7409468223. The cubic root of 132681393 is about 510.0389474293.

The spelling of 132681393 in words is "one hundred thirty-two million, six hundred eighty-one thousand, three hundred ninety-three".