132740521 has 4 divisors (see below), whose sum is σ = 138511872. Its totient is φ = 126969172.

The previous prime is 132740473. The next prime is 132740551. The reversal of 132740521 is 125047231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132740521 - 2⁹ = 132740009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132740551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885641 + ... + 2885686.

It is an arithmetic number, because the mean of its divisors is an integer number (34627968).

Almost surely, 2^132740521 is an apocalyptic number.

It is an amenable number.

132740521 is a deficient number, since it is larger than the sum of its proper divisors (5771351).

132740521 is an equidigital number, since it uses as much as digits as its factorization.

132740521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771350.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 132740521 is about 11521.3072608971. The cubic root of 132740521 is about 510.1147005888.

Adding to 132740521 its reverse (125047231), we get a palindrome (257787752).

The spelling of 132740521 in words is "one hundred thirty-two million, seven hundred forty thousand, five hundred twenty-one".