132520493 has 4 divisors (see below), whose sum is σ = 151452000. Its totient is φ = 113588988.

The previous prime is 132520489. The next prime is 132520523. The reversal of 132520493 is 394025231.

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 132520493 - 2² = 132520489 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132520433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9465743 + ... + 9465756.

It is an arithmetic number, because the mean of its divisors is an integer number (37863000).

Almost surely, 2^132520493 is an apocalyptic number.

It is an amenable number.

132520493 is a deficient number, since it is larger than the sum of its proper divisors (18931507).

132520493 is an equidigital number, since it uses as much as digits as its factorization.

132520493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18931506.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 132520493 is about 11511.7545578422. The cubic root of 132520493 is about 509.8326927815.

The spelling of 132520493 in words is "one hundred thirty-two million, five hundred twenty thousand, four hundred ninety-three".