132681599 has 4 divisors (see below), whose sum is σ = 133726464. Its totient is φ = 131636736.

The previous prime is 132681589. The next prime is 132681607. The reversal of 132681599 is 995186231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132681599 - 2⁸ = 132681343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132681509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522242 + ... + 522495.

It is an arithmetic number, because the mean of its divisors is an integer number (33431616).

Almost surely, 2^132681599 is an apocalyptic number.

132681599 is a deficient number, since it is larger than the sum of its proper divisors (1044865).

132681599 is a wasteful number, since it uses less digits than its factorization.

132681599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044864.

The product of its digits is 116640, while the sum is 44.

The square root of 132681599 is about 11518.7498887683. The cubic root of 132681599 is about 510.0392113899.

The spelling of 132681599 in words is "one hundred thirty-two million, six hundred eighty-one thousand, five hundred ninety-nine".