132320637 has 6 divisors (see below), whose sum is σ = 191129822. Its totient is φ = 88213752.

The previous prime is 132320623. The next prime is 132320663. The reversal of 132320637 is 736023231.

132320637 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 20 + 637 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 93636 = 11499^2 + 306^2 .

It is not a de Polignac number, because 132320637 - 2¹⁰ = 132319613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132320637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132320687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7351138 + ... + 7351155.

Almost surely, 2^132320637 is an apocalyptic number.

It is an amenable number.

132320637 is a deficient number, since it is larger than the sum of its proper divisors (58809185).

132320637 is a wasteful number, since it uses less digits than its factorization.

132320637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14702299 (or 14702296 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 132320637 is about 11503.0707639308. The cubic root of 132320637 is about 509.5762685725.

Adding to 132320637 its reverse (736023231), we get a palindrome (868343868).

The spelling of 132320637 in words is "one hundred thirty-two million, three hundred twenty thousand, six hundred thirty-seven".