132403505 has 8 divisors (see below), whose sum is σ = 171106152. Its totient is φ = 97774848.

The previous prime is 132403471. The next prime is 132403517. The reversal of 132403505 is 505304231.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 126720049 = 2384^2 + 11257^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132403505 - 2⁶ = 132403441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018424 + ... + 1018553.

It is an arithmetic number, because the mean of its divisors is an integer number (21388269).

Almost surely, 2^132403505 is an apocalyptic number.

It is an amenable number.

132403505 is a deficient number, since it is larger than the sum of its proper divisors (38702647).

132403505 is a wasteful number, since it uses less digits than its factorization.

132403505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036995.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 132403505 is about 11506.6721948616. The cubic root of 132403505 is about 509.6826232451.

Adding to 132403505 its reverse (505304231), we get a palindrome (637707736).

The spelling of 132403505 in words is "one hundred thirty-two million, four hundred three thousand, five hundred five".