132540742 has 4 divisors (see below), whose sum is σ = 198811116. Its totient is φ = 66270370.

The previous prime is 132540731. The next prime is 132540761. The reversal of 132540742 is 247045231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 132540742.

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, 33135184 + ... + 33135187.

It is an arithmetic number, because the mean of its divisors is an integer number (49702779).

Almost surely, 2^132540742 is an apocalyptic number.

132540742 is a deficient number, since it is larger than the sum of its proper divisors (66270374).

132540742 is an equidigital number, since it uses as much as digits as its factorization.

132540742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66270373.

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

The square root of 132540742 is about 11512.6340165924. The cubic root of 132540742 is about 509.8586587690.

Adding to 132540742 its reverse (247045231), we get a palindrome (379585973).

The spelling of 132540742 in words is "one hundred thirty-two million, five hundred forty thousand, seven hundred forty-two".