132821855 has 4 divisors (see below), whose sum is σ = 159386232. Its totient is φ = 106257480.

The previous prime is 132821851. The next prime is 132821861. The reversal of 132821855 is 558128231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558128231 = 71 ⋅7860961.

It is not a de Polignac number, because 132821855 - 2² = 132821851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132821851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13282181 + ... + 13282190.

It is an arithmetic number, because the mean of its divisors is an integer number (39846558).

Almost surely, 2^132821855 is an apocalyptic number.

132821855 is a deficient number, since it is larger than the sum of its proper divisors (26564377).

132821855 is an equidigital number, since it uses as much as digits as its factorization.

132821855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26564376.

The product of its digits is 19200, while the sum is 35.

The square root of 132821855 is about 11524.8364413557. The cubic root of 132821855 is about 510.2188667160.

The spelling of 132821855 in words is "one hundred thirty-two million, eight hundred twenty-one thousand, eight hundred fifty-five".