132618905 has 4 divisors (see below), whose sum is σ = 159142692. Its totient is φ = 106095120.

The previous prime is 132618901. The next prime is 132618907. The reversal of 132618905 is 509816231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509816231 = 1583 ⋅322057.

It can be written as a sum of positive squares in 2 ways, for example, as 72726784 + 59892121 = 8528^2 + 7739^2 .

It is not a de Polignac number, because 132618905 - 2² = 132618901 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (132618901) 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 3 ways as a sum of consecutive naturals, for example, 13261886 + ... + 13261895.

It is an arithmetic number, because the mean of its divisors is an integer number (39785673).

Almost surely, 2^132618905 is an apocalyptic number.

It is an amenable number.

132618905 is a deficient number, since it is larger than the sum of its proper divisors (26523787).

132618905 is an equidigital number, since it uses as much as digits as its factorization.

132618905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26523786.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 132618905 is about 11516.0281781524. The cubic root of 132618905 is about 509.9588650662.

The spelling of 132618905 in words is "one hundred thirty-two million, six hundred eighteen thousand, nine hundred five".