132405403 has 8 divisors (see below), whose sum is σ = 142688448. Its totient is φ = 122136384.

The previous prime is 132405391. The next prime is 132405409. The reversal of 132405403 is 304504231.

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-132405403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132405409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24351 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (17836056).

Almost surely, 2^132405403 is an apocalyptic number.

132405403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

132405403 is a deficient number, since it is larger than the sum of its proper divisors (10283045).

132405403 is a wasteful number, since it uses less digits than its factorization.

132405403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 132405403 is about 11506.7546684545. The cubic root of 132405403 is about 509.6850586614.

Adding to 132405403 its reverse (304504231), we get a palindrome (436909634).

The spelling of 132405403 in words is "one hundred thirty-two million, four hundred five thousand, four hundred three".