132986881 has 4 divisors (see below), whose sum is σ = 133064752. Its totient is φ = 132909012.

The previous prime is 132986879. The next prime is 132986927. The reversal of 132986881 is 188689231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 188689231 = 347 ⋅543773.

It is a cyclic number.

It is not a de Polignac number, because 132986881 - 2¹ = 132986879 is a prime.

It is a super-2 number, since 2×132986881² = 35371021036216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132986281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36315 + ... + 39808.

It is an arithmetic number, because the mean of its divisors is an integer number (33266188).

Almost surely, 2^132986881 is an apocalyptic number.

It is an amenable number.

132986881 is a deficient number, since it is larger than the sum of its proper divisors (77871).

132986881 is an equidigital number, since it uses as much as digits as its factorization.

132986881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77870.

The product of its digits is 165888, while the sum is 46.

The square root of 132986881 is about 11531.9937998596. The cubic root of 132986881 is about 510.4300883086.

The spelling of 132986881 in words is "one hundred thirty-two million, nine hundred eighty-six thousand, eight hundred eighty-one".