132405501 has 32 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 83813184.

The previous prime is 132405491. The next prime is 132405521. The reversal of 132405501 is 105504231.

It is not a de Polignac number, because 132405501 - 2⁶ = 132405437 is a prime.

It is a super-4 number, since 4×132405501⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132405521) 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 31 ways as a sum of consecutive naturals, for example, 1042500 + ... + 1042626.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^132405501 is an apocalyptic number.

It is an amenable number.

132405501 is a deficient number, since it is larger than the sum of its proper divisors (53389059).

132405501 is a wasteful number, since it uses less digits than its factorization.

132405501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 132405501 is about 11506.7589268221. The cubic root of 132405501 is about 509.6851844094.

Adding to 132405501 its reverse (105504231), we get a palindrome (237909732).

The spelling of 132405501 in words is "one hundred thirty-two million, four hundred five thousand, five hundred one".