132521456 has 20 divisors (see below), whose sum is σ = 256946352. Its totient is φ = 66212736.

The previous prime is 132521449. The next prime is 132521461. The reversal of 132521456 is 654125231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32525 + ... + 36371.

Almost surely, 2^132521456 is an apocalyptic number.

132521456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

132521456 is a deficient number, since it is larger than the sum of its proper divisors (124424896).

132521456 is a wasteful number, since it uses less digits than its factorization.

132521456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008 (or 6002 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 132521456 is about 11511.7963845787. The cubic root of 132521456 is about 509.8339277293.

Adding to 132521456 its reverse (654125231), we get a palindrome (786646687).

The spelling of 132521456 in words is "one hundred thirty-two million, five hundred twenty-one thousand, four hundred fifty-six".