132143520 has 48 divisors (see below), whose sum is σ = 416253600. Its totient is φ = 35238144.

The previous prime is 132143519. The next prime is 132143569. The reversal of 132143520 is 25341231.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137170 + ... + 138129.

It is an arithmetic number, because the mean of its divisors is an integer number (8671950).

Almost surely, 2^132143520 is an apocalyptic number.

132143520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132143520 is an abundant number, since it is smaller than the sum of its proper divisors (284110080).

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

132143520 is a wasteful number, since it uses less digits than its factorization.

132143520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275317 (or 275309 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 132143520 is about 11495.3695025432. The cubic root of 132143520 is about 509.3488036260.

Adding to 132143520 its reverse (25341231), we get a palindrome (157484751).

The spelling of 132143520 in words is "one hundred thirty-two million, one hundred forty-three thousand, five hundred twenty".