132645697 has 8 divisors (see below), whose sum is σ = 136394280. Its totient is φ = 128943360.

The previous prime is 132645691. The next prime is 132645743. The reversal of 132645697 is 796546231.

It can be written as a sum of positive squares in 4 ways, for example, as 55890576 + 76755121 = 7476^2 + 8761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132645697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132645691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5704 + ... + 17257.

It is an arithmetic number, because the mean of its divisors is an integer number (17049285).

Almost surely, 2^132645697 is an apocalyptic number.

It is an amenable number.

132645697 is a deficient number, since it is larger than the sum of its proper divisors (3748583).

132645697 is a wasteful number, since it uses less digits than its factorization.

132645697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23123.

The product of its digits is 272160, while the sum is 43.

The square root of 132645697 is about 11517.1913676903. The cubic root of 132645697 is about 509.9932038054.

The spelling of 132645697 in words is "one hundred thirty-two million, six hundred forty-five thousand, six hundred ninety-seven".