132540724 has 6 divisors (see below), whose sum is σ = 231946274. Its totient is φ = 66270360.

The previous prime is 132540649. The next prime is 132540731. The reversal of 132540724 is 427045231.

It can be written as a sum of positive squares in only one way, i.e., 119508624 + 13032100 = 10932^2 + 3610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132540692 and 132540701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16567587 + ... + 16567594.

Almost surely, 2^132540724 is an apocalyptic number.

It is an amenable number.

132540724 is a deficient number, since it is larger than the sum of its proper divisors (99405550).

132540724 is a wasteful number, since it uses less digits than its factorization.

132540724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33135185 (or 33135183 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 132540724 is about 11512.6332348425. The cubic root of 132540724 is about 509.8586356882.

Adding to 132540724 its reverse (427045231), we get a palindrome (559585955).

The spelling of 132540724 in words is "one hundred thirty-two million, five hundred forty thousand, seven hundred twenty-four".