132405456 has 20 divisors (see below), whose sum is σ = 342047552. Its totient is φ = 44135136.

The previous prime is 132405443. The next prime is 132405463. The reversal of 132405456 is 654504231.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1379176 + ... + 1379271.

Almost surely, 2^132405456 is an apocalyptic number.

132405456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

132405456 is an abundant number, since it is smaller than the sum of its proper divisors (209642096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132405456 is a wasteful number, since it uses less digits than its factorization.

132405456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758458 (or 2758452 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 132405456 is about 11506.7569714494. The cubic root of 132405456 is about 509.6851266680.

Adding to 132405456 its reverse (654504231), we get a palindrome (786909687).

The spelling of 132405456 in words is "one hundred thirty-two million, four hundred five thousand, four hundred fifty-six".