132844381 has 2 divisors, whose sum is σ = 132844382. Its totient is φ = 132844380.

The previous prime is 132844373. The next prime is 132844403. The reversal of 132844381 is 183448231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106936281 + 25908100 = 10341^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 132844381 - 2³ = 132844373 is a prime.

It is a super-2 number, since 2×132844381² = 35295259126546322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132844321) 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 as a sum of consecutive naturals, namely, 66422190 + 66422191.

It is an arithmetic number, because the mean of its divisors is an integer number (66422191).

Almost surely, 2^132844381 is an apocalyptic number.

It is an amenable number.

132844381 is a deficient number, since it is larger than the sum of its proper divisors (1).

132844381 is an equidigital number, since it uses as much as digits as its factorization.

132844381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 132844381 is about 11525.8136806041. The cubic root of 132844381 is about 510.2477087077.

It can be divided in two parts, 132844 and 381, that added together give a square (133225 = 365²).

The spelling of 132844381 in words is "one hundred thirty-two million, eight hundred forty-four thousand, three hundred eighty-one".