132811245 has 80 divisors (see below), whose sum is σ = 275996160. Its totient is φ = 59844096.

The previous prime is 132811243. The next prime is 132811253. The reversal of 132811245 is 542118231.

It is not a de Polignac number, because 132811245 - 2¹ = 132811243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132811243) 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 79 ways as a sum of consecutive naturals, for example, 223669 + ... + 224261.

It is an arithmetic number, because the mean of its divisors is an integer number (3449952).

Almost surely, 2^132811245 is an apocalyptic number.

132811245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132811245 is an abundant number, since it is smaller than the sum of its proper divisors (143184915).

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

132811245 is an equidigital number, since it uses as much as digits as its factorization.

132811245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 687 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 132811245 is about 11524.3761219426. The cubic root of 132811245 is about 510.2052806830.

Adding to 132811245 its reverse (542118231), we get a palindrome (674929476).

The spelling of 132811245 in words is "one hundred thirty-two million, eight hundred eleven thousand, two hundred forty-five".