132817815 has 48 divisors (see below), whose sum is σ = 250810560. Its totient is φ = 64627200.

The previous prime is 132817813. The next prime is 132817823. The reversal of 132817815 is 518718231.

It is not a de Polignac number, because 132817815 - 2¹ = 132817813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132817815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132817813) 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 47 ways as a sum of consecutive naturals, for example, 50790 + ... + 53340.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^132817815 is an apocalyptic number.

132817815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

132817815 is a deficient number, since it is larger than the sum of its proper divisors (117992745).

132817815 is a wasteful number, since it uses less digits than its factorization.

132817815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2661 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 132817815 is about 11524.6611663858. The cubic root of 132817815 is about 510.2136936087.

The spelling of 132817815 in words is "one hundred thirty-two million, eight hundred seventeen thousand, eight hundred fifteen".