132986691 has 10 divisors (see below), whose sum is σ = 198659252. Its totient is φ = 88657740.

The previous prime is 132986687. The next prime is 132986701. The reversal of 132986691 is 196689231.

It is a happy number.

It is not a de Polignac number, because 132986691 - 2² = 132986687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132986671) 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 9 ways as a sum of consecutive naturals, for example, 820825 + ... + 820986.

Almost surely, 2^132986691 is an apocalyptic number.

132986691 is a deficient number, since it is larger than the sum of its proper divisors (65672561).

132986691 is an equidigital number, since it uses as much as digits as its factorization.

132986691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641823 (or 1641814 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 132986691 is about 11531.9855619056. The cubic root of 132986691 is about 510.4298452226.

The spelling of 132986691 in words is "one hundred thirty-two million, nine hundred eighty-six thousand, six hundred ninety-one".